Overall rank by patents
#28,981
of 49,997 tracked assignees
USPTO PatentsView assignee record - 9 granted patents across 7 technology areas, recorded in grant years 2015–2020. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: F16D (Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes).
The verdict
According to USPTO PatentsView, Hitachi ranks #28,981 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 7 technology areas.
USPTO PatentsView assignee plate
Corpus R28981 · Foreign Corporation #28,981 · 9 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Hieta Technologies Limited (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Hitachi Automotive… · this assignee
25 score
3D Lighting… · lowest
7 score
What this shows Hitachi's Innovation Score is 24.8/100 (15th percentile of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Hitachi Automotive Systems Kyushu, Ltd. is a focused PatentsView assignee: 7 CPC subclasses with 100% of grants classified under F16D (Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2015. By volume, Hitachi sits between Hieta Technologies Limited and HMS MFG Co..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Hieta Technologies Limited
9 patents
Higgstec Inc.
9 patents
Hisep Technology Ltd.
9 patents
Histologics LLC
9 patents
Hitachi Chemical Co. America, Ltd.
9 patents
Hitachi Rail STS S.P.A.
9 patents
HK Marketing LC
9 patents
HMS MFG Co.
9 patents
Hitachi Automotive Systems Kyushu, Ltd.
9 patents
What this shows Hitachi holds 9 patents at rank #28,942, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #28,942 in granted patent volume.
Other assignees with the most granted patents in Hitachi's primary technology class.
Hitachi's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
25 15th percentile higher than 15% of 49,997 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 1 | 11.1% |
| 2016 | 2 | 22.2% |
| 2017 | 2 | 22.2% |
| 2019 | 2 | 22.2% |
| 2020 | 2 | 22.2% |
Top 7 of 7 technology areas
Overall rank by patents
#28,981
of 49,997 tracked assignees
24.8 out of 100
What to do with this data
Hitachi Automotive Systems Kyushu, Ltd.'s patent record in context - here's where to go next.
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.