MS

Masao Sakuyama

CC Citizen Watch Co.: 2 patents #13 of 135Top 10%
📍 Nishitokyo, JP: #3 of 29 inventorsTop 15%
Overall (2002): #51,350 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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