MS

Masao Sakuyama

CC Citizen Watch Co.: 6 patents #168 of 1,225Top 15%
CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%
📍 Nishitokyo, JP: #50 of 277 inventorsTop 20%
Overall (All Time): #753,036 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7408845 Radio corrected clock Takashi Ihara, Akinari Takada, Masaaki Namekawa 2008-08-05
6876602 Electronic timepiece, information processing device, method of displaying charged condition of secondary cell, and computer product Masakazu Ichikawa, Isao Kitazawa, Tomio Okigami 2005-04-05
6754138 Data transmission/reception system for electronic timepieces 2004-06-22
6522601 Data transmission/reception system for electronic timepieces 2003-02-18
6490230 Electronic watch with meter function and display means Kenji Shimoda, Shinichi Yamada, Kenji Miyasaka, Nobuyuki Uehara, Noritoshi Suzuki 2002-12-03
6483781 Electronic watch and drive method therefor Kiyotaka Igarashi, Akiyoshi Murakami, Kenji Shimoda, Noritoshi Suzuki 2002-11-19
4516120 Display device 1985-05-07