Prosecution Insights
Last updated: May 29, 2026

Hitachi Industrial Equipment Systems Co., Ltd.

11 pending office actions • 9 art units • 10 examiners • 0 of 11 (0%) have an AI response strategy ready • 32 patents granted in the last 365 days

Portfolio Summary

11
Total Pending OAs
7
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 11 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

6
Overdue
1
Due this week
2
Due this month
2
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. 11 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (6)Due ≤ 7 days (1)Due ≤ 30 days (2)Due ≤ 60 days (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 (9%)
8
Medium (73%)
2
Easy (18%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (9%)
§103 only7 (64%)
§102 only1 (9%)
§112 only2 (18%)

Industry Mix

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

0
Life Sciences
0% of docket
2
Information Tech
18% of docket
0
Communications
0% of docket
4
Semiconductors
36% of docket
5
Mechanical / Eng
45% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MIAN, SHAFIQ A 2 78.7% +25.4%
CIRNU, ALEXANDRU 1 43.2% +21.0%
CHOUDHURY, ZAHID 1 85.5% +8.7%
DHAKAL, BICKEY 1 84.0% +16.7%
ISLAM, MUHAMMAD S 1 87.8% +9.2%
NGUYEN, DUY KHUONG THANH 1 81.9% +34.6%
ISLAM, MOHAMMAD K 1 83.2% +16.4%
JARIWALA, CHIRAG 1 61.5% +26.8%
NYAMOGO, JOSEPH A 1 68.9% +29.0%
BRANDT, DAVID NELSON 1 69.7% +51.2%

Quick Wins (5)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18285561 COMMUNICATION DEVICE AND FIRMWARE UPDATE SYSTEM NGUYEN, DUY KHUONG THANH 125d overdue
18751703 POWER CONVERSION DEVICE CHOUDHURY, ZAHID 30d overdue
18276492 Deterioration Diagnosis Device, Deterioration Diagnosis Method, and Electric Motor Control Device ISLAM, MOHAMMAD K 10d overdue
18721516 Power Converter DHAKAL, BICKEY 12d
18720939 DRIVE UNIT FOR INDUCTION MOTOR ISLAM, MUHAMMAD S 43d

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
18835598 Management System CIRNU, ALEXANDRU 119d 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
18285561 COMMUNICATION DEVICE AND FIRMWARE UPDATE SYSTEM NGUYEN, DUY KHUONG THANH 125d overdue
18835598 Management System CIRNU, ALEXANDRU 119d overdue
18730396 Oil-Free Air Compressor MIAN, SHAFIQ A 17d overdue
18276492 Deterioration Diagnosis Device, Deterioration Diagnosis Method, and Electric Motor Control Device ISLAM, MOHAMMAD K 10d overdue
18026258 PACKAGED COMPRESSOR JARIWALA, CHIRAG 5d overdue
19104732 Scroll-Type Fluid Machine MIAN, SHAFIQ A 6d
18010255 Power Conversion Device and Remote Monitoring System NYAMOGO, JOSEPH A 8d
18721516 Power Converter DHAKAL, BICKEY 12d

Top Art Units

Art UnitApps
3746 3
3622 1
2175 1
2896 1
2846 1
2199 1
2857 1
2858 1
3783 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19104732 Scroll-Type Fluid Machine MIAN, SHAFIQ A 3746 §103 Non-Final OA 6d Pending Feb 19, 2025
18835598 Management System CIRNU, ALEXANDRU 3622 §101 Final Rejection 119d overdue Pending Aug 02, 2024
18730396 Oil-Free Air Compressor MIAN, SHAFIQ A 3746 §103 Non-Final OA 17d overdue Pending Jul 19, 2024
18751703 POWER CONVERSION DEVICE CHOUDHURY, ZAHID 2175 §103 Non-Final OA 30d overdue Pending Jun 24, 2024
18721516 Power Converter DHAKAL, BICKEY 2896 §112 Non-Final OA 12d Pending Jun 18, 2024
18720939 DRIVE UNIT FOR INDUCTION MOTOR ISLAM, MUHAMMAD S 2846 §102 Non-Final OA 43d Pending Jun 17, 2024
18285561 COMMUNICATION DEVICE AND FIRMWARE UPDATE SYSTEM NGUYEN, DUY KHUONG THANH 2199 §103 Final Rejection 125d overdue Pending Oct 04, 2023
18276492 Deterioration Diagnosis Device, Deterioration Diagnosis Method, and Electric Motor Control Device ISLAM, MOHAMMAD K 2857 §103 Non-Final OA 10d overdue Pending Aug 09, 2023
18026258 PACKAGED COMPRESSOR JARIWALA, CHIRAG 3746 §103 Non-Final OA 5d overdue Pending Mar 14, 2023
18010255 Power Conversion Device and Remote Monitoring System NYAMOGO, JOSEPH A 2858 §103 Final Rejection 8d Pending Dec 14, 2022
17419415 Compressor BRANDT, DAVID NELSON 3783 §112 Final Rejection 42d Pending Jun 29, 2021

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