Tokyo, Japan

Tamura Corporation


USPTO Granted Patents = 196

% Expired Patents = 16.3



Forward Citations = 488

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196 inventors (with patents filed for the assignee):

goldMedal Kohei Sasaki (36 out of 36 patents)

silverMedal Kensuke Maeno (22 out of 22 patents)

bronzeMedal Kotaro Suzuki (20 out of 20 patents)

4.  Ryo Nakatsu (19 out of 19 patents)

5.  Masataka Higashiwaki (13 out of 14 patents)

6.  Masaru Takizawa (10 out of 12 patents)

7.  Akito Kuramata (9 out of 9 patents)

8.  Kiyotaka Yoshida (9 out of 9 patents)

9.  Tomohiko Yoshino (8 out of 8 patents)

10.  Hiroo Ogawa (8 out of 8 patents)

11.  Hisashi Murakami (7 out of 17 patents)

12.  Ken Goto (7 out of 11 patents)

13.  Yoshinao Kumagai (7 out of 23 patents)

14.  Tsutomu Hamada (7 out of 7 patents)

15.  Shinya Watanabe (7 out of 89 patents)


Core Competencies:
Solder Alloy
Schottky Barrier Diode
Semiconductor Device
Current Sensor
Reactor
Field Effect Transistor
Light Emitting Device
Coil
Epitaxial Wafer
Lead-Free Solder
Modular Multilevel Converter
Gas Purifying Apparatus

196 patents:

Company Overview
Tamura Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced semiconductor devices. The company focuses on a range of core technologies, including solder alloys, Schottky barrier diodes, and various types of sensors and transistors. With a commitment to innovation, Tamura plays a significant role in the semiconductor industry, providing essential components for applications in electronics and energy management. Its expertise extends to light-emitting devices and reactors, positioning it as a key player in the evolving tech landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Tamura Corporation USPTO Patent Assignee Logo
196 Patents

#353 in Tokyo

#710 in Japan

#4,304 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 488

196 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tamura Corporation. Retrieved from https://idiyas.com/company/tamura

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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