Prosecution Insights
Last updated: May 29, 2026

Hamamatsu Photonics K K

59 pending office actions • 30 art units • 55 examiners • 0 of 59 (0%) have an AI response strategy ready • 181 patents granted in the last 365 days

Portfolio Summary

59
Total Pending OAs
45
Non-Final OAs
11
Final Rejections
3
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 57 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

25
Overdue
3
Due this week
20
Due this month
7
Due in next 60 days
2
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 57 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (25)Due ≤ 7 days (3)Due ≤ 30 days (20)Due ≤ 60 days (7)Due later (2)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

1
Hard (2%)
52
Medium (88%)
4
Easy (7%)
2
Unknown (3%)

Rejection Statute Mix

BucketCases
§101 only1 (2%)
§103 only50 (85%)
§102 only2 (3%)
§112 only4 (7%)
No statute on record2 (3%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

5
Life Sciences
8% of docket
2
Information Tech
3% of docket
3
Communications
5% of docket
40
Semiconductors
68% of docket
9
Mechanical / Eng
15% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

590 h
Manual time on pending OAs
118 h
Time saved (low, 20%)
206 h
Time saved (mid, 35%)
5.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LEE, HWA S 2 72.5% +3.2%
MALEVIC, DJURA 2 78.1% +10.3%
NELSON, HUNTER JARED 2 31.3% +46.0%
WEN, KEVIN GUANHUA 2 60.5% +38.5%
TRAN, TRANG U 1 78.6% +15.6%
SHIBRU, HELEN 1 58.6% +3.2%
YAZBACK, MAHER 1 74.5% +24.3%
KO, TONY 1 87.8% +2.5%
NGUYEN, KEMAYA DEANN HUU 1 74.4% +40.0%
KIM, KIHO 1 85.5% +4.2%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18841829 ENERGY BEAM DETECTING SYSTEM KO, TONY 3d overdue
18785239 OBSERVATION APPARATUS AND OBSERVATION METHOD KIM, KIHO 12d

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18269641 METHOD FOR ASSESSING MITOCHONDRIAL FUNCTION IN TISSUE OR ORGAN OTHER THAN KIDNEY IN TEST SUBJECT LIMBAUGH, KATHRYN ELIZABETH 49d overdue

Interview Candidates (9)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18716232 CRYSTAL GROWTH METHOD, AND CRYSTAL GROWTH DEVICE MALEVIC, DJURA 43d overdue
17701899 QUANTUM CASCADE LASER NELSON, HUNTER JARED 42d overdue
18840598 COOLING UNIT, OBJECTIVE LENS MODULE, AND SEMICONDUCTOR INSPECTION APPARATUS NGUYEN, KEMAYA DEANN HUU 5d overdue
19106776 IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD TRAN, TRANG U 5d
18850278 REFRACTIVE INDEX DISTRIBUTION MEASUREMENT DEVICE, FILM THICKNESS DISTRIBUTION MEASUREMENT DEVICE, REFRACTIVE INDEX DISTRIBUTION MEASUREMENT METHOD, AND FILM THICKNESS DISTRIBUTION MEASUREMENT METHOD YAZBACK, MAHER 8d
18032407 IMAGING UNIT AND IMAGING SYSTEM MALEVIC, DJURA 8d
18023773 EXTERNAL RESONANCE TYPE LASER MODULE NELSON, HUNTER JARED 8d
17914863 LASER PROCESSING DEVICE AND INSPECTION METHOD WEN, KEVIN GUANHUA

Top Art Units

Art UnitApps
2877 10
2884 9
3761 6
2828 4
2871 2
2872 2
2881 2
3645 2
2422 1
2484 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19106776 IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD TRAN, TRANG U 2422 §103 Non-Final OA 5d Pending Feb 26, 2025
19104769 OPTICAL MEASUREMENT SYSTEM AND OPTICAL MEASUREMENT METHOD SHIBRU, HELEN 2484 §103 Non-Final OA 5d Pending Feb 19, 2025
18863040 SPECTROSCOPIC ANALYSIS DEVICE LEE, HWA S 2877 §103 Non-Final OA 34d Pending Nov 05, 2024
18850278 REFRACTIVE INDEX DISTRIBUTION MEASUREMENT DEVICE, FILM THICKNESS DISTRIBUTION MEASUREMENT DEVICE, REFRACTIVE INDEX DISTRIBUTION MEASUREMENT METHOD, AND FILM THICKNESS DISTRIBUTION MEASUREMENT METHOD YAZBACK, MAHER 2877 §103 Non-Final OA 8d Pending Sep 24, 2024
18884192 SPECTROSCOPIC ANALYZER LEE, HWA S 2877 §103 Non-Final OA 36d Pending Sep 13, 2024
18841829 ENERGY BEAM DETECTING SYSTEM KO, TONY 2878 §112 Non-Final OA 3d overdue Pending Aug 27, 2024
18840598 COOLING UNIT, OBJECTIVE LENS MODULE, AND SEMICONDUCTOR INSPECTION APPARATUS NGUYEN, KEMAYA DEANN HUU 2877 §103 Non-Final OA 5d overdue Pending Aug 22, 2024
18785239 OBSERVATION APPARATUS AND OBSERVATION METHOD KIM, KIHO 2884 §103 Non-Final OA 12d Pending Jul 26, 2024
18766095 INSPECTION APPARATUS AND INSPECTION METHOD HO, ALLEN C 2884 Other Non-Final OA 27d Pending Jul 08, 2024
18725840 RADIATION DETECTOR AND RADIATION DETECTOR ARRAY TOOHEY, RICHARD ORLANDO 2884 §103 Non-Final OA 9d Pending Jul 01, 2024
18725845 OPTICAL MEMBER, OPTICAL ELEMENT AND METHOD FOR PRODUCING OPTICAL MEMBER YUN, JURIE 2884 §103 Non-Final OA 26d Pending Jul 01, 2024
18716232 CRYSTAL GROWTH METHOD, AND CRYSTAL GROWTH DEVICE MALEVIC, DJURA 2884 §103 Non-Final OA 43d overdue Pending Jun 04, 2024
18711929 METHOD FOR PRODUCING BANDPASS FILTER, AND BANDPASS FILTER GLENN, KIMBERLY E 2843 §103 Non-Final OA 146d overdue Pending May 21, 2024
18706789 WAVEFRONT MEASUREMENT DEVICE AND WAVEFRONT MEASUREMENT METHOD AMARA, MOHAMED K 2877 §103 Non-Final OA 8d Pending May 02, 2024
18644329 DATA GENERATION METHOD, DATA GENERATION PROGRAM, AND DATA GENERATION DEVICE KRETZER, CASEY L 2635 §103 Non-Final OA 29d Pending Apr 24, 2024
18703413 CRYSTAL FORM DETERMINATION METHOD TAYLOR, WILLIAM LAURENCE 2884 §103 Non-Final OA 4d overdue Pending Apr 22, 2024
18701976 TEST OBJECT ANALYSIS METHOD SMITH, MAURICE C 2877 §103 Non-Final OA 140d overdue Pending Apr 17, 2024
18698876 AUTOFOCUS ASSISTANCE METHOD, AUTOFOCUS ASSISTANCE DEVICE, AND AUTOFOCUS ASSISTANCE PROGRAM TON, TRI T 2877 §103 Non-Final OA 51d overdue Pending Apr 05, 2024
18683279 TOMOGRAPHIC IMAGE CREATION DEVICE, TOMOGRAPHIC IMAGE CREATION METHOD, AND TOF-PET DEVICE BRYANT, MICHAEL CASEY 2884 §112 Non-Final OA 60d overdue Pending Feb 13, 2024
18439947 ABNORMALITY DETECTION METHOD AND ACTUATOR DEVICE VU, PHU 2871 §102 Non-Final OA 34d Pending Feb 13, 2024
18432346 MIRROR DEVICE NIGAM, NATASHA 2872 Other Non-Final OA 29d Pending Feb 05, 2024
18579917 LIGHT SOURCE DEVICE PETKOVSEK, DANIEL 2874 §103 Non-Final OA 30d overdue Pending Jan 17, 2024
18576210 RADIOGRAPHIC IMAGE ACQUIRING DEVICE, RADIOGRAPHIC IMAGE ACQUIRING SYSTEM, AND RADIOGRAPHIC IMAGE ACQUISITION METHOD KUDO, KEN 2671 §103 Non-Final OA 39d Pending Jan 03, 2024
18397004 METHOD OF MANUFACTURING RESIN MEMBER, AND RESIN MEMBER EMPIE, NATHAN H 1712 §103 Non-Final OA 15d overdue Pending Dec 27, 2023
18390460 OPTICAL SEMICONDUCTOR ELEMENT WOLDEGEORGIS, ERMIAS T 2893 §103 Non-Final OA 27d Pending Dec 20, 2023
18515398 MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE PALANISWAMY, KRISHNA JAYANTHI 2899 §103 Non-Final OA 5d Pending Nov 21, 2023
18285967 LIGHT CORRECTION COEFFICIENT PREDICTION METHOD, LIGHT CORRECTION COEFFICIENT PREDICTION DEVICE, MACHINE LEARNING METHOD, PRE-PROCESSING METHOD IN MACHINE LEARNING, AND TRAINED LEARNING MODEL LAU, TUNG S 2857 §103 Non-Final OA 14d Pending Oct 06, 2023
18285292 MEASURING DEVICE OSENBAUGH-STEWART, ELIZA W 2881 §103 Non-Final OA 49d overdue Pending Oct 02, 2023
18371606 PHOTODETECTION ELEMENT AND METHOD FOR MANUFACTURING PHOTODETECTION ELEMENT STARK, JARRETT J 2898 §103 Non-Final OA 11d overdue Pending Sep 22, 2023
18281649 CONFOCAL MICROSCOPE UNIT, CONFOCAL MICROSCOPE, AND CONTROL METHOD FOR CONFOCAL MICROSCOPE UNIT BOURQUINE, MACKENZI TATE 2872 §103 Final Rejection 14d Pending Sep 12, 2023
18279270 SUBSTRATE MANUFACTURING DEVICE SMITH JR., JIMMY R 1745 §112 Non-Final OA 70d Pending Aug 29, 2023
18279080 SAMPLE OBSERVATION DEVICE AND SAMPLE OBSERVATION METHOD DOUMBIA, MOHAMED 2877 §103 Final Rejection 117d overdue Pending Aug 28, 2023
18277643 MASS SPECTROMETRY DEVICE AND MASS SPECTROMETRY METHOD NGUYEN, KIET TUAN 2881 §103 Non-Final OA 17d overdue Pending Aug 17, 2023
18269641 METHOD FOR ASSESSING MITOCHONDRIAL FUNCTION IN TISSUE OR ORGAN OTHER THAN KIDNEY IN TEST SUBJECT LIMBAUGH, KATHRYN ELIZABETH 1797 §101 Non-Final OA 49d overdue Pending Jun 26, 2023
18211667 OPTICAL MODULE LAU, EDMOND C 2871 §103 Final Rejection 59d overdue Pending Jun 20, 2023
18267940 ION SENSOR AND ION SENSOR MANUFACTURING METHOD SALERNO, SARAH KATE 2814 §103 Final Rejection 29d Pending Jun 16, 2023
18266842 LASER PROCESSING DEVICE AND LASER PROCESSING METHOD WUNDERLICH, ERWIN J 3761 §103 Non-Final OA 33d Pending Jun 13, 2023
18039797 PHOTOELECTRIC CONVERSION DEVICE ANDERSON, ERIK ARTHUR 2812 §103 Final Rejection 26d Pending Jun 01, 2023
18033623 SEMICONDUCTOR LASER DEVICE FORDE, DELMA ROSA 2828 §103 Non-Final OA 46d overdue Pending Apr 25, 2023
18032412 LIGHT DETECTOR, RADIATION DETECTOR, AND PET DEVICE LEE, SHUN K 2884 §103 Non-Final OA 132d overdue Pending Apr 18, 2023
18032407 IMAGING UNIT AND IMAGING SYSTEM MALEVIC, DJURA 2884 §103 Non-Final OA 8d Pending Apr 18, 2023
18027730 OPTICAL SENSOR CUTLER, ALBERT H 2637 §103 Final Rejection 19d Pending Mar 22, 2023
18027388 LASER PROCESSING METHOD AND LASER PROCESSING DEVICE LIU, CHRIS Q 3761 §102 Non-Final OA 15d Pending Mar 21, 2023
18027440 LASER MACHINING METHOD AND LASER MACHINING DEVICE HUNTER, JOHN S 3761 §103 Non-Final OA 14d Pending Mar 21, 2023
18026173 DISPERSION MEASUREMENT DEVICE AND DISPERSION MEASUREMENT METHOD MENDOZA, ALEXANDRIA ARELLANO 2877 §103 Final Rejection 27d Pending Mar 14, 2023
18023773 EXTERNAL RESONANCE TYPE LASER MODULE NELSON, HUNTER JARED 2828 §103 Non-Final OA 8d Pending Feb 28, 2023
18023145 DISTANCE IMAGE ACQUISITION DEVICE AND DISTANCE IMAGE ACQUISITION METHOD FRITCHMAN, JOSEPH C 3645 §103 Non-Final OA 33d Pending Feb 24, 2023
18104340 LIGHT SOURCE DEVICE AND DISTANCE MEASUREMENT DEVICE WIGGER, BENJAMIN DAVID 3645 §103 Non-Final OA 24d overdue Pending Feb 01, 2023
18014363 DIAGNOSTIC AGENT FOR PANCREATIC FUNCTION LIU, TRACY 1614 §103 Non-Final OA 70d Pending Jan 04, 2023
18008498 DEFIBRILLATION DEVICE AND METHOD FEDORKY, MEGAN TAYLOR 3796 §103 Non-Final OA 4d overdue Pending Dec 06, 2022
17925409 SEMICONDUCTOR LIGHT DETECTION ELEMENT SHEKER, RHYS PONIENTE 2813 §103 Final Rejection 70d overdue Pending Nov 15, 2022
17964034 METHOD FOR MANUFACTURING LIGHT-EMITTING ELEMENT SRINIVASAN, SESHA SAIRAMAN 2817 §103 Non-Final OA 85d overdue Pending Oct 12, 2022
17916824 LASER MACHINING DEVICE AND LASER MACHINING METHOD OLIVA, STEPHANIE RENEE 3761 §112 Non-Final OA 16d Pending Oct 04, 2022
17914863 LASER PROCESSING DEVICE AND INSPECTION METHOD WEN, KEVIN GUANHUA 3761 §103 Non-Final OA Pending Sep 27, 2022
17914806 QUANTUM-CASCADE LASER ELEMENT AND QUANTUM-CASCADE LASER DEVICE VAN ROY, TOD THOMAS 2828 §103 Non-Final OA 57d Pending Sep 27, 2022
17908303 INSPECTION DEVICE AND INSPECTION METHOD CARLSON, JOSHUA MICHAEL 2877 §103 Non-Final OA 18d overdue Pending Aug 31, 2022
17701899 QUANTUM CASCADE LASER NELSON, HUNTER JARED 2828 §103 Final Rejection 42d overdue Pending Mar 23, 2022
17642998 INSPECTION DEVICE AND INSPECTION METHOD WEN, KEVIN GUANHUA 3761 §103 Final Rejection Pending Mar 15, 2022
17423133 METHOD FOR SELECTING CELLS HIGHLY RESPONSIVE TO TARGET SUBSTANCE, AND METHOD FOR DETERMINING CONCENTRATION OF TARGET SUBSTANCE WITH UNKNOWN CONCENTRATION IN SPECIMEN GAO, ASHLEY HARTMAN 1678 §103 Final Rejection 118d overdue Pending Jul 15, 2021

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