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USPTO Data Jan 1 1976 - Dec 9 2025
73 Patents
#22 in Saitama 343-0827
#1,332 in Japan
#9,816 in the World
Rhythm Watch Co., Ltd.
Forward Citations = 467
61 inventors:
Rhythm Watch Co., Ltd.
EPO Patents = 1
Trademarks = 4
Forward Citations = 467
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61 inventors (with patents filed for the assignee):
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)
6. Shinji Yamada (2 out of 12 patents)
7. Isao Suzuki (2 out of 2 patents)
8. Hideo Koide (2 out of 2 patents)
9. Kazuo Miyamoto (2 out of 2 patents)
10. Kazutoshi Nozawa (2 out of 2 patents)
11. Kunio Tatsuzawa (2 out of 2 patents)
12. Hatsuo Aruga (2 out of 2 patents)
13. Minosaku Aso (2 out of 2 patents)
14. Masahiro Akahane (2 out of 2 patents)
15. Masaru Itami (2 out of 2 patents)
Core Competencies:
Clock Movement
Alarm Clock
Electronic Timepiece
Musical Scale Generating Circuit
Pendulum Clock
Timepiece Movement
Sound Generating Circuit
Trick Action Type Clock
Time Signalling Device
Disc Music Box
Synchronous Motor Device
Vocal Announcing Device
73 patents:
Rhythm Watch Co., Ltd. is a leading manufacturer of high-quality timekeeping products. With over 60 years of experience, we specialize in crafting precision clocks, watches, and musical instruments. Our commitment to innovation, advanced technology, and exceptional craftsmanship has made us a trusted name in the industry. Visit our website to explore our wide range of products and find the perfect timekeeping solution for your needs.
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1 patent (EPO):
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