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Asahi Seiko Company Ltd.

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USPTO Granted Patents = 124

% Expired Patents = 26.6

EPO Patents = 55

Trademarks = 5

Forward Citations = 645

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42 inventors (with patents filed for the assignee):

Hiroshi Abe (47 out of 77 patents)

Masayoshi Umeda (19 out of 42 patents)

Takahito Yamamiya (15 out of 22 patents)

4. Minoru Enomoto (15 out of 25 patents)

5. Joji Iida (8 out of 8 patents)

6. Motoharu Kurosawa (8 out of 15 patents)

7. Tamotsu Tsuchida (7 out of 12 patents)

8. Hiroshi Ohtomo (6 out of 8 patents)

9. Yoshinobu Tanaka (6 out of 13 patents)

10. Marcus John Willis (5 out of 5 patents)

11. Kanji Ishigure (3 out of 3 patents)

12. Toru Takeuchi (3 out of 7 patents)

13. Masaru Miyaji (3 out of 5 patents)

14. Yasuo Irie (3 out of 8 patents)

15. Takashi Ehara (3 out of 3 patents)

Core Competencies:

Coin Conveyance

Coin Hopper

Coin Dispenser

Coin Selector

Coin Processing

Card Handling

Disk Feeding

Automatic Dispensing

Banknote Dispensing

Coin Identifying Sensor

Value Medium Processing

Game Arcade Management

124 patents: Sort by Forward Citations

1. 12511967 - Coin conveyance device and coin hopper (2025-12-30),

2. D1091685 - Apparatus for depositing and dispensing coin (2025-09-02),

3. 12365537 - Card handling apparatus (2025-07-22),

4. 12175825 - Method, system and computer readable medium for coin discrimination (2024-12-24),

5. 12139331 - Article storage container and article feeder (2024-11-12),

6. 12118845 - Disk feeding device (2024-10-15),

7. 12118844 - Coin receiving and dispensing device, coin lifting device, and coin lifting device of coin receiving and dispensing device (2024-10-15),

8. 12112594 - Disk feeding device (2024-10-08),

9. 12080119 - Coin selector and automatic service machine (2024-09-03),

10. 11941936 - Apparatus for discrimination and conveyance of coins (2024-03-26),

11. 11854332 - Coin distribution mechanism and apparatus for discriminating and conveying coins (2023-12-26),

12. 11773904 - Ball bearing and method for manufacturing same (2023-10-03),

13. D986193 - Coin depositing and dispensing apparatus (2023-05-16),

14. 11574516 - Method, system, and computer readable medium for setting discrimination criterion information (2023-02-07),

15. 11527123 - Coin delivery device and coin processing device (2022-12-13),

Company Overview

Asahi Seiko Company Ltd., based in Tokyo, specializes in advanced coin processing technology. The company focuses on the development and manufacturing of systems and components that enhance the efficiency of coin handling, including coin conveyance, hoppers, dispensers, and selectors. Their expertise extends to card handling and disk feeding, providing automated solutions for various industries. Asahi Seiko is recognized for its commitment to innovation and quality in the realm of coin processing and related technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

124 Patents

#489 in Tokyo

#992 in Japan

#6,475 in the World

Asahi Seiko Company Ltd.

Forward Citations = 645

42 inventors:

Hiroshi Abe (47 out of 77 patents)

Masayoshi Umeda (19 out of 42 patents)

Takahito Yamamiya (15 out of 22 patents)

4. Minoru Enomoto (15 out of 25 patents)

5. Joji Iida (8 out of 8 patents)

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

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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