TM

Takayasu Machida

CC Citizen Watch Co.: 11 patents #53 of 1,225Top 5%
📍 Iruma, JP: #38 of 400 inventorsTop 10%
Overall (All Time): #471,444 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6774513 Two-pole step motor for timepiece Shigeyuki Takahashi, Takanori Nanya, Kazuo Suzuki, Takeaki Shimanouchi 2004-08-10
6548922 2-Pole stepper motor for timepiece Shigeyuki Takahashi, Takanori Nanya, Kazuo Suzuki, Takeaki Shimanouchi 2003-04-15
6519853 Method of manufacturing hand for analog electronic timepiece Takanori Nanya, Shigeyuki Takahashi, Kazuo Suzuki, Takeaki Shimanouchi 2003-02-18
6434086 Analog electronic timepiece Kazuo Suzuki, Takanori Nanya, Shigeyuki Takahashi, Takeaki Shimanouchi 2002-08-13
4750063 Floppy disk drive having a pivotally supporting cartridge carrier Kazunari Kume, Churyo Seki, Kunio Suganuma, Hiroshi Kurafuji, Hiroshi Mabuchi +2 more 1988-06-07
4590529 Carriage device for moving and positioning magnetic head Akira Nikaido, Yasuhisa Hirosawa, Fumio Nakajima 1986-05-20
4558244 Micro stepping motor Akira Nikaido, Yasuhisa Hirosawa, Fumio Nakajima 1985-12-10
4361410 Drive system for pulse motor Fumio Nakajima, Kenji Yamada 1982-11-30
4283783 Drive control system for stepping motor Fumio Nakajima, Kenji Yamada, Fumio Kanno 1981-08-11
4223522 Electronic timepiece Yasushi Nomura, Fumio Nakajima, Kenji Yamada 1980-09-23
4199699 Motor and drive for a timepiece Kazunari Kume, Minoru Watanabe, Hideshi Ohno, Munetaka Tamaru, Seiichi Nakamura +1 more 1980-04-22