KD

Kenichi Donuma

KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
TO Toshiba: 3 patents #380 of 2,688Top 15%
NT NTT: 1 patents #2,911 of 4,871Top 60%
📍 Koshigaya, JP: #36 of 242 inventorsTop 15%
Overall (All Time): #757,771 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6754950 Electronic component and method of production thereof Osamu Furukawa, Hitoshi Chiyoma, Kazuhisa Yabukawa 2004-06-29
6628043 Electronic component and method of production thereof Osamu Furukawa, Hitoshi Chiyoma, Kazuhisa Yabukawa 2003-09-30
6262513 Electronic component and method of production thereof Osamu Furukawa, Hitoshi Chiyoma, Kazuhisa Yabukawa 2001-07-17
4759599 Optical connector Yasuhiro Yamaguchi, Yasuhiro Ando, Shuichiro Inagaki 1988-07-26
4695858 Duplex optical communication module unit Hatsuo Takezawa, Shuhei Katagiri, Shigeyuki Sakura 1987-09-22
4539476 Module for a fiber optic link Makoto Ohashi, Takeshi Ozeki 1985-09-03
4410469 Method for manufacturing a module for a fiber optic link Shuhei Katagiri, Makoto Ohashi 1983-10-18