Trademarks = 3

Forward Citations = 100

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10 inventors (with patents filed for the assignee):

Kiyoyasu Wake (3 out of 7 patents)

Masafumi Fukuda (2 out of 11 patents)

Akira Katayama (2 out of 2 patents)

4. Yoshiaki Katoh (2 out of 2 patents)

5. Yoshiyuki Horita (1 out of 31 patents)

6. Katsufumi Naka (1 out of 1 patent)

7. Hideo Wake (1 out of 1 patent)

8. Kimikazu Hoshikawa (1 out of 1 patent)

9. Hiroshi Inuzuka (1 out of 1 patent)

10. Osamu Shimoi (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. D1017379 - Key for a lock (2024-03-12),

2. D1017378 - Key for a lock (2024-03-12),

3. 5761936 - Cylindrical lever-type door lock (1998-06-09),

4. 5605064 - Door lock for handicapped persons (1997-02-25),

5. 5508693 - Burglarproof system for automotive vehicle (1996-04-16),

6. 5396226 - Identification code input board for electrical equipment including (1995-03-07),

7. 5103657 - Slide fastener (1992-04-14),

8. 4735068 - Card operated lock (1988-04-05),

9. 4561147 - Hinge which facilitates opening door after the gate frame is distorted (1985-12-31),

10. 4333327 - Magnetic tumbler lock (1982-06-08),

Company Overview

Miwa Lock Co., Ltd., based in Tokyo, specializes in advanced locking systems and security solutions. The company is renowned for its innovative approach to keyless entry and electronic locking technologies, catering to various sectors including residential, commercial, and institutional markets. Miwa Lock focuses on enhancing security through research and development in smart lock technology, contributing to the evolution of access control systems in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#1,915 in Tokyo

#4,404 in Japan

#56,092 in the World

Tokyo, Japan

Miwa Lock Co., Ltd.

Forward Citations = 100

10 inventors:

Kiyoyasu Wake (3 out of 7 patents)

Masafumi Fukuda (2 out of 11 patents)

Akira Katayama (2 out of 2 patents)

4. Yoshiaki Katoh (2 out of 2 patents)

5. Yoshiyuki Horita (1 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Miwa Lock Co., Ltd.. Retrieved from https://idiyas.com/company/miwa-lock-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]