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For the Inventor, By the Inventor

Toyama, Japan

Tower Partners Semiconductor Co., Ltd.


USPTO Granted Patents = 10


Forward Citations = 26

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15 inventors (with patents filed for the assignee):

goldMedal Hiroshige Hirano (5 out of 83 patents)

silverMedal Hiroaki Kuriyama (5 out of 5 patents)

bronzeMedal Masahiro Oda (4 out of 5 patents)

4.  Hirohisa Otsuki (2 out of 2 patents)

5.  Hiroki Takahashi (1 out of 193 patents)

6.  Yakov Roizin (1 out of 73 patents)

7.  Kenji Tateiwa (1 out of 6 patents)

8.  Erez Sarig (1 out of 15 patents)

9.  Katsuya Furukawa (1 out of 1 patent)

10.  Takayuki Yamada (1 out of 54 patents)

11.  Micha Gutman (1 out of 9 patents)

12.  Masahiko Sakagami (1 out of 14 patents)

13.  Hiroyuki Doi (1 out of 17 patents)

14.  Atsushi Noma (1 out of 1 patent)

15.  Masafumi Tsutsui (1 out of 1 patent)


10 patents:

1. 12432915 - Semiconductor device having a memory element with a source region and drain region and having multiple assistance elements (2025-09-30),
2. 12419119 - Solid-state imaging device (2025-09-16),
3. 12260922 - Semiconductor device for writing to a storage element (2025-03-25),
4. 11984468 - Solid-state imaging device comprising element isolation layer with light-shielding properties and charge trapping layer (2024-05-14),
5. 11610906 - Semiconductor device (2023-03-21),
6. 11289618 - Solid-state imaging device (2022-03-29),
7. 11217604 - Semiconductor device (2022-01-04),
8. 11101000 - Semiconductor device and method for operating the same (2021-08-24),
9. 11011557 - Solid-state imaging device (2021-05-18),
10. 10825847 - Solid-state imaging element (2020-11-03),
Company Overview
Tower Partners Semiconductor Co., Ltd. is a prominent player in the semiconductor industry, specializing in the development and manufacturing of advanced semiconductor solutions. The company focuses on a range of technologies, including analog, mixed-signal, and RF semiconductor products, catering to diverse applications across various sectors such as automotive, consumer electronics, and industrial automation. Headquartered in Toyama, Japan, Tower Partners is committed to innovation and quality, positioning itself as a key contributor to the global semiconductor landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#21 in Toyama 939-0643

#4,404 in Japan

#56,092 in the World

Toyama, JP
Toyama, Japan

Tower Partners Semiconductor Co., Ltd.

Forward Citations = 26

15 inventors:

goldMedal Hiroshige Hirano (5 out of 83 patents)

silverMedal Hiroaki Kuriyama (5 out of 5 patents)

bronzeMedal Masahiro Oda (4 out of 5 patents)

4.  Hirohisa Otsuki (2 out of 2 patents)

5.  Hiroki Takahashi (1 out of 193 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tower Partners Semiconductor Co., Ltd.. Retrieved from https://idiyas.com/company/tower-partners-semiconductor-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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