Prosecution Insights
Last updated: September 06, 2026

Hitachi Industrial Equipment Systems Co., Ltd.

24 pending office actions • 9 art units • 24 examiners • 0 of 24 (0%) have an AI response strategy ready • 30 patents granted in the last 365 days

Portfolio Summary

24
Total Pending OAs
20
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
Due this month
1
Due in next 60 days
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (1)Due ≤ 60 days (1)

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.

10
Hard (42%)
11
Medium (46%)
2
Easy (8%)
1
Unknown (4%)

Rejection Statute Mix

BucketCases
§101 only1 (4%)
§101 + other3 (12%)
§103 only6 (25%)
§102 only5 (21%)
§112 only2 (8%)
Multi-statute (no §101)6 (25%)
No statute on record1 (4%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
2
Communications
8% of docket
4
Semiconductors
17% of docket
9
Mechanical / Eng
38% of docket
9
Business / Other
38% 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.

240 h
Manual time on pending OAs
48 h
Time saved (low, 20%)
84 h
Time saved (mid, 35%)
2.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZOLLINGER, NATHAN C 1 69.5% +40.3%
DOUNIS, LAERT 1 67.8% +21.2%
MORONEY, MICHAEL CORBETT 1 25.2% +24.6%
FREAY, CHARLES GRANT 1 77.1% +30.5%
SHENDEROV, ALEXANDER D 1 90.2% +6.3%
BOBISH, CHRISTOPHER S 1 62.3% +28.8%
BHUIYAN, FAYEZ A 1 84.2% +12.0%
YIP, KENT 1 71.2% +18.1%
DELEON, DARIO ANTONIO 1 63.9% +32.8%
SHAH, MANISH S 1 85.9% +7.2%

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
18881831 CONTROL SYSTEM BHUIYAN, FAYEZ A —
18560652 Inkjet Marking Apparatus and Inkjet Marking System SHAH, MANISH S —

Hard Cases (10)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
19153367 Compressed Air Energy Storage Device DOUNIS, LAERT —
19152140 EQUIPMENT MAINTENANCE SYSTEM AND EQUIPMENT MAINTENANCE METHOD MORONEY, MICHAEL CORBETT —
18997541 PACKAGED GAS COMPRESSOR BOBISH, CHRISTOPHER S —
18879026 LIQUID-COOLED SCREW COMPRESSOR DELEON, DARIO ANTONIO —
18874025 EMBEDDED MAGNET TYPE ROTARY MOTOR AND ELECTRIC DEVICE REID JR, CHARLES H —
18868057 POWER REGENERATION CONVERTER CORDOVA RODRIGUEZ, ULARISLAO —
18849383 Inkjet Recording Device and Inkjet Recording System VAN KREUNINGEN, KYRA MELOR —
18578798 STOCK MANAGEMENT SYSTEM AND STOCK MANAGEMENT METHOD TUTOR, AARON N —

Interview Candidates (8)

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
19166195 Maintenance Method for Scroll Fluid Machine, and Scroll Fluid Machine ZOLLINGER, NATHAN C —
19153367 Compressed Air Energy Storage Device DOUNIS, LAERT —
19152140 EQUIPMENT MAINTENANCE SYSTEM AND EQUIPMENT MAINTENANCE METHOD MORONEY, MICHAEL CORBETT —
19150251 Air Compressor FREAY, CHARLES GRANT —
18997541 PACKAGED GAS COMPRESSOR BOBISH, CHRISTOPHER S —
18881831 CONTROL SYSTEM BHUIYAN, FAYEZ A —
18881389 Printer System and Control Method for Printer System YIP, KENT —
18879026 LIQUID-COOLED SCREW COMPRESSOR DELEON, DARIO ANTONIO —

Top Art Units

Art UnitApps
3746 6
2858 2
3626 1
2638 1
2681 1
2853 1
3627 1
2857 1
3783 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19166195 Maintenance Method for Scroll Fluid Machine, and Scroll Fluid Machine ZOLLINGER, NATHAN C 3746 §102 Non-Final OA — Pending Sep 17, 2025
19153367 Compressed Air Energy Storage Device DOUNIS, LAERT 3746 §102§103 Non-Final OA — Pending Aug 04, 2025
19152140 EQUIPMENT MAINTENANCE SYSTEM AND EQUIPMENT MAINTENANCE METHOD MORONEY, MICHAEL CORBETT 3626 §101§103§112 Non-Final OA — Pending Jul 30, 2025
19150251 Air Compressor FREAY, CHARLES GRANT 3746 §112 Non-Final OA — Pending Jul 23, 2025
19104737 Inkjet Recording Device SHENDEROV, ALEXANDER D — — Non-Final OA — Pending Feb 19, 2025
18997541 PACKAGED GAS COMPRESSOR BOBISH, CHRISTOPHER S 3746 §102§103 Non-Final OA — Pending Jan 22, 2025
18881831 CONTROL SYSTEM BHUIYAN, FAYEZ A 2638 §102 Non-Final OA — Pending Jan 07, 2025
18881389 Printer System and Control Method for Printer System YIP, KENT 2681 §102 Non-Final OA — Pending Jan 06, 2025
18879026 LIQUID-COOLED SCREW COMPRESSOR DELEON, DARIO ANTONIO — §102§103§112 Non-Final OA — Pending Dec 26, 2024
18560652 Inkjet Marking Apparatus and Inkjet Marking System SHAH, MANISH S — §103 Non-Final OA — Pending Dec 20, 2024
18876228 Power Conversion Device FINCH III, FRED E — §103 Non-Final OA — Pending Dec 18, 2024
18876223 Inspection Device and Method CODRINGTON, SHANE WRENSFORD — §103 Non-Final OA — Pending Dec 18, 2024
18874025 EMBEDDED MAGNET TYPE ROTARY MOTOR AND ELECTRIC DEVICE REID JR, CHARLES H — §103§112 Non-Final OA — Pending Dec 11, 2024
18868057 POWER REGENERATION CONVERTER CORDOVA RODRIGUEZ, ULARISLAO — §102§103 Non-Final OA — Pending Nov 21, 2024
18861931 Power Conversion Device COOK, CORTEZ M — §102 Non-Final OA — Pending Oct 31, 2024
18849383 Inkjet Recording Device and Inkjet Recording System VAN KREUNINGEN, KYRA MELOR 2853 §103§112 Final Rejection — Pending Sep 20, 2024
18730396 Oil-Free Air Compressor MIAN, SHAFIQ A 3746 §103 Non-Final OA 17d overdue Pending Jul 19, 2024
18684993 Oil Feed Type Compressor PEKARSKAYA, LILYA 3746 §103 Non-Final OA — Pending Feb 20, 2024
17615969 SAFETY CABINET SHIRSAT, VIVEK K — §102 Non-Final OA — Pending Feb 15, 2024
18578798 STOCK MANAGEMENT SYSTEM AND STOCK MANAGEMENT METHOD TUTOR, AARON N 3627 §101§103 Final Rejection — Pending Jan 12, 2024
18572335 Transformer Diagnostics System RODAK, LEE E 2858 §101 Final Rejection — Pending Dec 20, 2023
18282833 Monitoring Apparatus and Method GAVIA, NYLA EMANI ANN 2857 §101§103 Final Rejection — Pending Sep 19, 2023
18010255 Power Conversion Device and Remote Monitoring System NYAMOGO, JOSEPH A 2858 §103 Non-Final OA 8d Pending Dec 14, 2022
17419415 Compressor BRANDT, DAVID NELSON 3783 §112 Non-Final OA 42d Pending Jun 29, 2021

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