Overall rank by patents
#27,029
of 49,997 tracked assignees
USPTO PatentsView assignee record - 10 granted patents across 3 technology areas, recorded in grant years 2020–2025. 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: B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents).
The verdict
According to USPTO PatentsView, Okamoto ranks #27,029 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 3 technology areas.
USPTO PatentsView assignee plate
Corpus R27029 · Foreign Corporation #27,029 · 10 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: Ocme S.R.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
Okamoto Machine… · this assignee
29 score
3D Lighting… · lowest
7 score
What this shows Okamoto's Innovation Score is 29.3/100 (30th 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.
Okamoto Machine Tool Works, Ltd. is a focused PatentsView assignee: 3 CPC subclasses with 90% of grants classified under B24B (Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents). Peak complete grant year is 2020 (2 grants) versus a trough of 1 in 2021. By volume, Okamoto sits between Ocme S.R.L. and Omni Consumer Products, LLC.
Okamoto Machine Tool Works, Ltd. shows 5 grants in 2022–2024 against only 3 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Ocme S.R.L.
10 patents
Oculentis Holding B.V.
10 patents
Ocunexus Therapeutics, Inc.
10 patents
ODL, Incorporated
10 patents
Okayama Prefecture
10 patents
Okuno Chemical Industries Co., Ltd.
10 patents
Olababy Incorporated
10 patents
Omni Consumer Products, LLC
10 patents
Okamoto Machine Tool Works, Ltd.
10 patents
What this shows Okamoto holds 10 patents at rank #27,013, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #27,013 in granted patent volume.
Other assignees with the most granted patents in Okamoto's primary technology class.
Okamoto's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
29 30th percentile higher than 30% 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 2020–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2020 | 2 | 20.0% |
| 2021 | 1 | 10.0% |
| 2022 | 1 | 10.0% |
| 2023 | 2 | 20.0% |
| 2024 | 2 | 20.0% |
| 2025partial year | 2 | 20.0% |
Top 3 of 3 technology areas
Overall rank by patents
#27,029
of 49,997 tracked assignees
29.3 out of 100
What to do with this data
Okamoto Machine Tool Works, 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.