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Tamura Corporation

USPTO Granted Patents = 190

CIPO Patents = 1

EPO Patents = 48

Trademarks = 2

Forward Citations = 466

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189 inventors (with patents filed for the assignee):

Kohei Sasaki (35 out of 35 patents)

Kensuke Maeno (22 out of 22 patents)

Kotaro Suzuki (20 out of 20 patents)

4. Ryo Nakatsu (19 out of 19 patents)

5. Masataka Higashiwaki (12 out of 13 patents)

6. Masaru Takizawa (9 out of 11 patents)

7. Kiyotaka Yoshida (9 out of 9 patents)

8. Akito Kuramata (8 out of 8 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 88 patents)

Core Competencies:

Semiconductor Device

Solder Composition

Current Sensor

Reactor

Schottky Barrier Diode

Field Effect Transistor

Modular Multilevel Converter

Beta-GaO-Based Single Crystal

Gas Purifying Apparatus

Electronic Component

Trench MOS Schottky Diode

Photosensitive Dry Film

190 patents: Sort by Forward Citations

1. 12482729 - Semiconductor device (2025-11-25),

2. 12454030 - Solder composition and method for manufacturing flexible circuit board (2025-10-28),

3. 12431282 - Terminal block, bobbin, and coil device (2025-09-30),

4. 12431276 - Reactor (2025-09-30),

5. D1093313 - Coil for substrate mounting (2025-09-16),

6. D1083637 - Current sensor (2025-07-15),

7. 12347598 - Reactor (2025-07-01),

8. D1071876 - Semiconductor driving circuit module (2025-04-21),

9. D1068694 - Semiconductor driving circuit module (2025-04-01),

10. 12259652 - Photosensitive dry film, and printed wiring board with photosensitive dry film (2025-03-25),

11. 12237789 - Modular multilevel converter and modular multilevel converter system (2025-02-25),

12. 12230500 - Method of manufacturing a beta-GaO-based single crystal film by flowing a Ga chloride gas, an oxygen gas, and a dopant gas (2025-02-18),

13. 12104276 - Ga2O3-based single crystal substrate (2024-10-01),

14. 12087856 - Field effect transistor (2024-09-10),

15. 11984879 - Drive circuit (2024-05-14),

Tamura Corporation is a global manufacturer of electronic components and magnetic materials. With a history dating back to 1924, the company has grown into a trusted supplier for a wide range of industries such as automotive, telecommunications, industrial equipment, and more. Tamura's product portfolio includes transformers, inductors, power supplies, noise suppression components, and magnetic materials. Committed to innovation and quality, the company operates production facilities in various countries and strives to meet the evolving needs of its global customer base.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

190 Patents

#325 in Tokyo

#714 in Japan

#4,302 in the World

Tamura Corporation

Forward Citations = 466

189 inventors:

Kohei Sasaki (35 out of 35 patents)

Kensuke Maeno (22 out of 22 patents)

Kotaro Suzuki (20 out of 20 patents)

4. Ryo Nakatsu (19 out of 19 patents)

5. Masataka Higashiwaki (12 out of 13 patents)

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