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For the Inventor, By the Inventor

Tokyo, Japan

Tamura Corporation


USPTO Granted Patents = 195

% Expired Patents = 16.4



Forward Citations = 488

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195 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

195 patents:

1. 12751048 - Semiconductor element and production method for same (2026-09-29),
2. 12683064 - Reactor (2026-07-14),
3. 12635520 - Semiconductor element, method for manufacturing semiconductor element, semiconductor device, and method for manufacturing semiconductor device (2026-05-19),
4. 12569940 - Solder alloy, joint portion, joining material, solder paste, joint structure, and electronic control device (2026-03-10),
5. 12557361 - Schottky barrier diode with high withstand voltage (2026-02-17),
6. 12482729 - Semiconductor device (2025-11-25),
7. 12454030 - Solder composition and method for manufacturing flexible circuit board (2025-10-28),
8. 12431282 - Terminal block, bobbin, and coil device (2025-09-30),
9. 12431276 - Reactor (2025-09-30),
10. D1093313 - Coil for substrate mounting (2025-09-16),
11. D1083637 - Current sensor (2025-07-15),
12. 12347598 - Reactor (2025-07-01),
13. D1071876 - Semiconductor driving circuit module (2025-04-21),
14. D1068694 - Semiconductor driving circuit module (2025-04-01),
15. 12259652 - Photosensitive dry film, and printed wiring board with photosensitive dry film (2025-03-25),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Tamura Corporation
195 Patents

#356 in Tokyo

#715 in Japan

#4,314 in the World

Tokyo, JP
Tokyo, Japan

Tamura Corporation

Forward Citations = 488

195 inventors:

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)

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