Overall rank by patents
#40,712
of 49,997 tracked assignees
USPTO PatentsView assignee record - 6 granted patents across 11 technology areas, recorded in grant years 2016–2021. 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: B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic).
The verdict
According to USPTO PatentsView, Hitachi ranks #40,712 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 11 technology areas.
USPTO PatentsView assignee plate
Corpus R40712 · Foreign Corporation #40,712 · 6 grants
GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: Histocell, S.L. (±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 High-tech… · this assignee
24 score
3D Lighting… · lowest
7 score
What this shows Hitachi's Innovation Score is 23.9/100 (13th 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 High-tech Fine Systems Corporation is a focused PatentsView assignee: 11 CPC subclasses with 50% of grants classified under B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic). Peak complete grant year is 2021 (4 grants) versus a trough of 1 in 2016. By volume, Hitachi sits between Histocell, S.L. and HMC Holdings, LLC.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Histocell, S.L.
6 patents
Hitachi Astemo France
6 patents
Hitachi Astemo Ueda, Ltd.
6 patents
Hitachi High-tech Analytical Science Finland OY
6 patents
Hiya, Inc.
6 patents
HJ Laboratories Licensing, LLC
6 patents
HK Pharma
6 patents
HMC Holdings, LLC
6 patents
Hitachi High-tech Fine Systems Corporation
6 patents
What this shows Hitachi holds 6 patents at rank #40,640, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #40,640 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)
24 13th percentile higher than 13% 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 2016–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2016 | 1 | 16.7% |
| 2020 | 1 | 16.7% |
| 2021 | 4 | 66.7% |
Top 11 of 11 technology areas
Overall rank by patents
#40,712
of 49,997 tracked assignees
23.9 out of 100
What to do with this data
Hitachi High-tech Fine Systems Corporation'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.