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For the Inventor, By the Inventor

Tokyo, Japan

Uacj Corporation


USPTO Granted Patents = 192

% Expired Patents = 12.5


Trademarks = 5

Forward Citations = 153

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254 inventors (with patents filed for the assignee):

goldMedal Tomoki Yamayoshi (28 out of 29 patents)

silverMedal Kotaro Kitawaki (24 out of 25 patents)

bronzeMedal Hideyuki Hatakeyama (18 out of 19 patents)

4.  Yasunaga Itoh (14 out of 22 patents)

5.  Akio Niikura (13 out of 19 patents)

6.  Ryo Sakamoto (13 out of 25 patents)

7.  Atsushi Fukumoto (13 out of 100 patents)

8.  Junji Nunomura (12 out of 13 patents)

9.  Makoto Yonemitsu (11 out of 13 patents)

10.  Masakazu Seki (11 out of 11 patents)

11.  Satoshi Suzuki (11 out of 14 patents)

12.  Makoto Ando (10 out of 84 patents)

13.  Naoki Yamashita (10 out of 24 patents)

14.  Yutaka Yanagawa (10 out of 20 patents)

15.  Tomohiko Furutani (10 out of 10 patents)


Core Competencies:
Aluminum Alloy
Brazing Sheet
Heat Exchanger
Magnetic Disk
Surface Treatment
Extruded Tube
Thermal Bonding
Coating Material
Electrolytic Aluminum
Superplastic Forming
Impact Resistant
Microstructure

192 patents:

1. 12716117 - Aluminum alloy disc blank for magnetic disc and magnetic disc (2026-08-25),
2. 12629783 - Aluminum alloy brazing sheet (2026-05-19),
3. 12629736 - Method of manufacturing a brazing sheet (2026-05-19),
4. 12624471 - Aluminum member and manufacturing method thereof (2026-05-12),
5. 12590378 - Method and apparatus for producing aluminum material (2026-03-31),
6. 12573424 - Magnetic disk and substrate for magnetic disk (2026-03-10),
7. 12571121 - Surface-treated aluminum material and method for producing the same (2026-03-10),
8. 12555602 - Magnetic disk substrate and magnetic disk using magnetic disk substrate (2026-02-17),
9. 12552135 - Aluminum alloy clad material for heat exchanger (2026-02-17),
10. 12534781 - Method of producing aluminum alloy material having thermal bonding function in single layer (2026-01-27),
11. 12508676 - Aluminum alloy brazing sheet and method for producing same (2025-12-30),
12. 12466004 - Method of manufacturing a brazing sheet (2025-11-11),
13. 12454741 - Aluminum alloy extruded multi-hole tube for heat exchanger and method for manufacturing the same (2025-10-28),
14. 12440929 - Aluminum alloy brazing sheet and method for manufacturing the same (2025-10-14),
15. 12409994 - Packaging material (2025-09-09),
UACJ Corporation, headquartered in Tokyo, specializes in aluminum alloy technology, focusing on the development and manufacturing of a diverse range of aluminum products. The company is recognized for its expertise in areas such as brazing sheets, heat exchangers, and extruded tubes, catering to various industries including automotive and electronics. UACJ also emphasizes advancements in surface treatment and coating materials, positioning itself as a key player in the global aluminum market.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Uacj Corporation
192 Patents

#365 in Tokyo

#726 in Japan

#4,383 in the World

Tokyo, JP
Tokyo, Japan

Uacj Corporation

Forward Citations = 153

254 inventors:

goldMedal Tomoki Yamayoshi (28 out of 29 patents)

silverMedal Kotaro Kitawaki (24 out of 25 patents)

bronzeMedal Hideyuki Hatakeyama (18 out of 19 patents)

4.  Yasunaga Itoh (14 out of 22 patents)

5.  Akio Niikura (13 out of 19 patents)

Please report any incorrect information to [email protected]
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