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For the Inventor, By the Inventor

Tokyo, Japan

Asahi Corporation


USPTO Granted Patents = 37

% Expired Patents = 5.4

Forward Citations = 865

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32 inventors (with patents filed for the assignee):

goldMedal Toshio Kobayashi (7 out of 9 patents)

silverMedal Kiyotaka L Nakano (4 out of 4 patents)

bronzeMedal Susumu Arai (3 out of 6 patents)

4.  Shigetomi Kumon (3 out of 4 patents)

5.  Hiromi Nakai (2 out of 2 patents)

6.  Sano Takeshi (2 out of 2 patents)

7.  Hideo Yano (2 out of 2 patents)

8.  Kiyotaka Nakano (2 out of 2 patents)

9.  Shin Iima (1 out of 20 patents)

10.  Fumio Kobayashi (1 out of 5 patents)

11.  Alexander L Gross (1 out of 18 patents)

12.  Hiroshi Yasuda (1 out of 149 patents)

13.  Nobuaki Ogihara (1 out of 1 patent)

14.  Ryuzoh Maruyama (1 out of 1 patent)

15.  Masasuke Harada (1 out of 5 patents)


Core Competencies:
Oil-Hydraulic Vehicle
Athletic Shoe
Toy Game Apparatus
Interactive Intersection
Memory Matching Game
Cassette Tape Driving Device
Shoe Sole
Motor Driving System
Puzzle with Timer
Two Wheeled Toy Vehicle
Endless Microcassette Tape
Low Voltage Self Cascode Current Mirror

37 patents:

1. 7331416 - Oil-hydraulic vehicle (2008-02-19),
2. 7047737 - Oil-hydraulic vehicle (2006-05-23),
3. 6391307 - Composition comprising the lower, no-branch culm portion of bamboo (2002-05-21),
4. 6081404 - Cassette tape driving device with auto-reverse function (2000-06-27),
5. 6062942 - Interactive intersection for toy tracks (2000-05-16),
6. 6032334 - Handle apparatus (2000-03-07),
7. 5966005 - Low voltage self cascode current mirror (1999-10-12),
8. 5868600 - Toy car (1999-02-09),
9. 5813894 - Runnable block and block toy using the same (1998-09-29),
10. 5764439 - Cassette tape driving device (1998-06-09),
11. D381492 - Athletic shoe (1997-07-29),
12. 5608702 - Disc player capable of calculating the travel time of the optical pick-up (1997-03-04),
13. 5555233 - Disk hold device having an operation button (1996-09-10),
14. 5367791 - Shoe sole (1994-11-29),
15. D348147 - Athletic shoe sole (1994-06-28),
Company Overview
Asahi Corporation, headquartered in Tokyo, specializes in advanced technology solutions across various sectors, including electronics, telecommunications, and industrial automation. The company is committed to innovation, focusing on developing cutting-edge products that enhance efficiency and connectivity in both consumer and industrial markets. With a strong emphasis on research and development, Asahi Corporation aims to lead in technology advancements that cater to 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 13 2026

37 Patents

#964 in Tokyo

#2,057 in Japan

#18,281 in the World

Tokyo, JP
Tokyo, Japan

Asahi Corporation

Forward Citations = 865

32 inventors:

goldMedal Toshio Kobayashi (7 out of 9 patents)

silverMedal Kiyotaka L Nakano (4 out of 4 patents)

bronzeMedal Susumu Arai (3 out of 6 patents)

4.  Shigetomi Kumon (3 out of 4 patents)

5.  Hiromi Nakai (2 out of 2 patents)

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

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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