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For the Inventor, By the Inventor

Tokyo, Japan

Ahresty Corporation

Calculating rank
USPTO Granted Patents = 20

% Expired Patents = 10.0


Forward Citations = 42

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40 inventors (with patents filed for the assignee):

goldMedal Shunzo Aoyama (8 out of 9 patents)

silverMedal Hachiro Doi (4 out of 12 patents)

bronzeMedal Kazuki Sasaki (2 out of 2 patents)

4.  Toshiyuki Sakazawa (2 out of 2 patents)

5.  Shigeyoshi Komaki (2 out of 2 patents)

6.  Emi Yanagihara (2 out of 2 patents)

7.  Shin Orii (2 out of 2 patents)

8.  Yoshiteru Kondo (2 out of 14 patents)

9.  Katsuhiko Takahashi (1 out of 77 patents)

10.  Seiji Saikawa (1 out of 3 patents)

11.  Takanori Takahashi (1 out of 1 patent)

12.  Jyunichiro Shibuya (1 out of 1 patent)

13.  Koji Tatsuta (1 out of 1 patent)

14.  Masaaki Hasegawa (1 out of 1 patent)

15.  Gen Okazawa (1 out of 1 patent)


20 patents:

1. 12338511 - Aluminum alloy diecast, diecast unit and method for producing same (2025-06-24),
2. 12151298 - Manufacturing method for joined body, welding metal body, and joining element (2024-11-26),
3. 11391311 - Method for manufacturing joined body and quality management method for plate-shaped member (2022-07-19),
4. 11213883 - Casting device, method for manufacturing casting, and seal structure (2022-01-04),
5. 10744574 - Milling cutter, cutting insert, and milling method (2020-08-18),
6. 10023943 - Casting aluminum alloy and casting produced using the same (2018-07-17),
7. 8137093 - Tiebar reverse extraction clamp (2012-03-20),
8. 8101886 - Welding article and welding method of carrying out an alternating current arc welding (2012-01-24),
9. 7614687 - Pillar construction for vehicle (2009-11-10),
10. 7051784 - Method of producing semi-solid metal slurries (2006-05-30),
11. 6666256 - Method of casting a product (2003-12-23),
12. 6595266 - Method of manufacturing metallic slurry for casting (2003-07-22),
13. 5853041 - Die casting device (1998-12-29),
14. 5785506 - Liquid feeding pump (1998-07-28),
15. 5331795 - Mowing cutter unit for mower (1994-07-26),
Company Overview
Ahresty Corporation, headquartered in Tokyo, specializes in the development and manufacturing of aluminum die-casting products. The company serves various industries, including automotive and electronics, focusing on innovative solutions that enhance performance and efficiency. Ahresty is committed to advancing technology in lightweight materials and precision engineering, contributing to sustainable practices in manufacturing. With a strong emphasis on research and development, the organization aims to meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Ahresty Corporation USPTO Patent Assignee Logo
20 Patents

#1,343 in Tokyo

#2,946 in Japan

#31,315 in the World

Tokyo, JP
Tokyo, Japan

Ahresty Corporation

Forward Citations = 42

40 inventors:

goldMedal Shunzo Aoyama (8 out of 9 patents)

silverMedal Hachiro Doi (4 out of 12 patents)

bronzeMedal Kazuki Sasaki (2 out of 2 patents)

4.  Toshiyuki Sakazawa (2 out of 2 patents)

5.  Shigeyoshi Komaki (2 out of 2 patents)

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

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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