Rhythm Watch Co., Ltd. is a prominent player in the timepiece technology sector, headquartered in Tokyo, Japan. The company specializes in the development and manufacturing of a diverse range of timekeeping devices, including traditional and digital clocks, alarm systems, and musical timepieces. With a strong emphasis on innovation, Rhythm integrates advanced technologies such as electronic timepieces and sound-generating circuits into its products, catering to both functional and aesthetic needs in the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

73 Patents

#661 in Tokyo

#1,380 in Japan

#10,273 in the World

Tokyo, Japan

Rhythm Watch Co., Ltd.

Forward Citations = 472

61 inventors:

Norihiko Nakamura (12 out of 12 patents)

Kiyokazu Nishi (12 out of 13 patents)

Katsuhiko Takebe (6 out of 6 patents)

4. Yasue Ashibe (3 out of 3 patents)

5. Hideki Morishima (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rhythm Watch Co., Ltd.. Retrieved from https://idiyas.com/company/rhythm-watch-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]

1 patent (EPO):

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]