HT

Hatsuo Takezawa

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
TO Toshiba: 2 patents #606 of 2,688Top 25%
TC Toshiba Materials Co.: 1 patents #127 of 197Top 65%
Overall (All Time): #1,020,478 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7884544 Semiconductor light emitting device having mixed light emission Kenji Shimomura, Hiroaki Oshio, Yasuhiro Shirakawa, Tsutomu Ishii 2011-02-08
7378647 Lens-equipped light-emitting diode device having an integrally molded lens unit being laminated on a sealing portion Shouichi Nishikawa, Tetsuro Komatsu, Yukinori Aoki 2008-05-27
7291866 Semiconductor light emitting device and semiconductor light emitting unit Hiroaki Oshio, Iwao Matsumoto, Takeshi Miyakawa 2007-11-06
4695858 Duplex optical communication module unit Kenichi Donuma, Shuhei Katagiri, Shigeyuki Sakura 1987-09-22
4625333 Duplex optical communication device Satoshi Takebe 1986-11-25