Richtek Technology Corporation
USPTO PatentsView assignee record - 448 granted patents across 50 technology areas, recorded in grant years 2015–2025. 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: H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;).
The verdict
According to USPTO PatentsView, Richtek ranks #981 of 49,997 tracked US assignees by granted-patent volume, with 448 patents across 50 technology areas.
- #981
- of 49,997 US assignees by volume
- Top 2%
- by Innovation Score (62.9/100)
- 17.1
- avg claims per patent
- -32%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R981 · Foreign Corporation #981 · 448 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL
- GRANTS-MID 448 grants
- TOP-DECILE #981/49,997
- PHOTO-FINISH Schneider Electric USA
- CPC-WIDE H02M · 50 areas
- INNOV-STRONG 62.9/100
- CLAIMS-RICH 17.1 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-DOWN -32% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Schneider Electric USA, Inc. (±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.
How Richtek’s 62.9 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Richtek
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Cargill Incorporated · near
Cargill Incorporated · near
63 score
- Nippon Steel · near
Nippon Steel · near
63 score
- Safran · near
Safran · near
63 score
- Hanwha Solutions · near
Hanwha Solutions · near
63 score
- Richtek Technology · this assignee
Richtek Technology · this assignee
63 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Richtek's Innovation Score is 62.9/100 (top 2% 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.
Does more volume mean deeper claims for Richtek?
Each dot is one of Richtek’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Richtek’s own 17.1 claims/patent is ABOVE the 13.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
How Richtek's grant cadence moved
Between 2020–2024, Richtek Technology Corporation received 162 grants versus 237 in 2015–2019 (-32% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2015 at 62 grants and bottomed in 2021 at 17. Lead class H02M accounts for 52.9% of the portfolio across 50 subclasses. Volume neighbours: Avery Dennison Retail Information Services LLC (#977) and Universal City Studios LLC (#985).
Richtek's three-year grant acceleration
From 2019–2021 to 2022–2024, Richtek Technology Corporation moved from 107 to 105 grants (0.98x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,231. See the growth leaderboard.
Who files at Richtek's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Avery Dennison Re…
Avery Dennison Retail Information Services LLC
449 patents
- Hologic
Hologic, Inc.
449 patents
- Rosemount Aerospa…
Rosemount Aerospace Inc.
449 patents
- THE Coca-cola
THE Coca-cola Company
449 patents
- Schneider Electri…
Schneider Electric USA, Inc.
448 patents
- Wacker Chemie
Wacker Chemie AG
448 patents
- Yanmar Holdings
Yanmar Holdings Co., Ltd.
448 patents
- Richtek Technology ◀
Richtek Technology Corporation
448 patents
- Universal City St…
Universal City Studios LLC
447 patents
What this shows Richtek holds 448 patents at rank #981, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Richtek
By rank, the assignees closest to #981 in granted patent volume.
- Avery Dennison Retail Information Services LLC #977 · 449 patents
- Hologic, Inc. #978 · 449 patents
- Rosemount Aerospace Inc. #979 · 449 patents
- THE Coca-cola Company #980 · 449 patents
- Schneider Electric USA, Inc. #982 · 448 patents
- Wacker Chemie AG #983 · 448 patents
- Yanmar Holdings Co., Ltd. #984 · 448 patents
- Universal City Studios LLC #985 · 447 patents
Leaders in H02M (Apparatus FOR Conversion Between AC AND AC)
Other assignees with the most granted patents in Richtek's primary technology class.
- Mitsubishi Electric Corporation 1,101 in class
- Texas Instruments Incorporated 945 in class
- Fuji Electric Co., Ltd. 565 in class
- Infineon Technologies Austria AG 537 in class
- Denso Corporation 536 in class
- Rohm Co., Ltd. 516 in class
- Delta Electronics, Inc. 417 in class
- Semiconductor Components Industries, LLC 358 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Richtek, neither rank-band nor same-CPC leaders (those blocks stay above). In H02M (Apparatus FOR Conversion Between AC AND AC), Richtek ranks #18 of 1,541 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (63 here).
Similar claim depth
Nearest assignees by average claims per patent (17.1 here).
Richtek's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
63 Top 2% higher than 98% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 62 | 13.8% |
| 2016 | 45 | 10.0% |
| 2017 | 52 | 11.6% |
| 2018 | 28 | 6.3% |
| 2019 | 50 | 11.2% |
| 2020 | 40 | 8.9% |
| 2021 | 17 | 3.8% |
| 2022 | 31 | 6.9% |
| 2023 | 30 | 6.7% |
| 2024 | 44 | 9.8% |
| 2025partial year | 49 | 10.9% |
Which technologies does Richtek Technology Corporation patent most?
Top 15 of 50 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Richtek Technology Corporation's patent record in context - here's where to go next.
- Richtek Technology Corporation's lead technology class is H02M (Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER;), 52.9% of its portfolio - see every assignee active in that class. Explore H02M
- Ranked #981 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Richtek Technology Corporation against Avery Dennison Retail Information Services LLC, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 62.9/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
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.