CPC technology class · H03
H03K - Pulse Technique
Pulse technique. 30,872 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.
- 30,872
- US patents granted
- #1/10
- in H03
- 32.4%
- H03 class share
- -1%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Pulse Technique ranks #62 of 670 CPC technology areas - 30,872 US patents granted since 2015, with recorded grant volume down 1% over five years.
- #62
- of 670 CPC technology areas
- 30,872
- US patents granted, 2015–2025
- Texas Instruments…
- leading assignee (1,140)
- -1%
- grant velocity, last 5 yrs
How H03K's grant cadence moved
Between 2020–2024, H03K recorded 13,896 grants versus 13,993 in 2015–2019 (-1% equal-window velocity). Across complete years, output peaked in 2020 at 3,492 grants and bottomed in 2015 at 2,407 (+45% peak-over-trough). Lead assignee Texas Instruments Incorporated holds 3.7% of the class ; the top three share 8.4%.
Leaderboard read
H03K concentration, lead at 3.7%
Texas Instruments Incorporated leads this historical grant record at 3.7% of H03K - foreign corporation assignees hold 56% of class grants (11,925 of 21,357). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 3.7%
- Top three share
- 8.4%
- Lead over #2
- 378
1,140 of 30,872 grants
of the class's recorded grants
more grants than Taiwan Semiconductor Manufacturing Company Ltd.
Where H03K sits inside H03
Among 10 subclasses in H03 (Electronic Circuitry), H03K ranks #1 and holds 32.4% of the parent class's 95,387 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.
Rising assignees active in H03K
Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.
- #1 Inspur Suzhou Intelligent Technology Co., Ltd. 217x 0 → 217 company-wide · 8 in H03K
- #2 LX Semicon Co., Ltd. 177x 0 → 177 company-wide · 8 in H03K
- #3 Wolfspeed, Inc. 80x 2 → 159 company-wide · 8 in H03K
- #4 Changxin Memory Technologies, Inc. 63x 17 → 1,066 company-wide · 126 in H03K
- #5 Ceremorphic, Inc. 62x 0 → 62 company-wide · 25 in H03K
H03K grants by year, peak 2020 (3,492)
US utility-patent grants per year in H03K, 2015–2025 - recent five years are down 1% versus 2015–2019.
Who leads H03K?
The 12 most active assignees in Pulse Technique - wider bars mean more grants
- Texas Instruments…
Texas Instruments Incorporated
1,140 patents
- Taiwan Semiconductor…
Taiwan Semiconductor Manufacturing Company Ltd.
762 patents
- Sk hynix
SK hynix Inc.
699 patents
- Qualcomm Incorporated
Qualcomm Incorporated
614 patents
- Intel
Intel Corporation
607 patents
- Micron Technology
Micron Technology, Inc.
537 patents
- Infineon 419
Infineon Technologies AG
419 patents
- Semiconductor Energy… 389
Semiconductor Energy Laboratory Co., Ltd.
389 patents
- Toshiba 372
Kabushiki Kaisha Toshiba
372 patents
- Renesas 339
Renesas Electronics Corporation
339 patents
- Altera 323
Altera Corporation
323 patents
- Xilinx 318
Xilinx, Inc.
318 patents
What this shows Texas Instruments… is the most active filer in H03K, holding 1,140 of the 30,872 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.
View data table
| Rank | Company | Patents in H03K |
|---|---|---|
| #1 | Texas Instruments Incorporated | 1,140 |
| #2 | Taiwan Semiconductor Manufacturing Company Ltd. | 762 |
| #3 | SK hynix Inc. | 699 |
| #4 | Qualcomm Incorporated | 614 |
| #5 | Intel Corporation | 607 |
| #6 | Micron Technology, Inc. | 537 |
| #7 | Infineon Technologies AG | 419 |
| #8 | Semiconductor Energy Laboratory Co., Ltd. | 389 |
| #9 | Kabushiki Kaisha Toshiba | 372 |
| #10 | Renesas Electronics Corporation | 339 |
| #11 | Altera Corporation | 323 |
| #12 | Xilinx, Inc. | 318 |
| #13 | STMicroelectronics SA | 309 |
| #14 | Fuji Electric Co., Ltd. | 303 |
| #15 | NXP USA, Inc. | 293 |
| #16 | Rohm Co., Ltd. | 291 |
| #17 | NXP B.V. | 277 |
| #18 | Realtek Semiconductor Corp. | 239 |
| #19 | Infineon Technologies Austria AG | 225 |
| #20 | Skyworks Solutions, Inc. | 183 |
Footprint here vs. claim strategy
Each dot is a leading H03K assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.
Classes near H03K's 30,872-grant footprint
Nationwide nearest neighbors for H03K (#62 of 670 by volume ; lead share 3.7%) - not the H03 parent-class siblings above.
Nearest by grant volume
Questions about H03K
Which company holds the most patents in H03K?
Which H03K assignees grew fastest recently?
How does H03K compare inside parent class H03?
What to do with this data
H03K in context - here's where to go next.
- Texas Instruments Incorporated leads H03K with 1,140 grants in this class. See full portfolio
- H03K ranks #62 of 670 by grant volume among all tracked CPC technology areas. See the ranking
- Inside parent class H03, the largest sibling subclass is H03M with 21,338 grants. Explore H03M
Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.
Methodology - H03K figures are USPTO PatentsView granted-utility totals for this subclass (30,872 grants in the tracked window).
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.