TT

Toshiyuki Tanahashi

Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #562,597 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10594110 Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser Kei Fujii, Takashi Ishizuka, Susumu Yoshimoto, Takamichi Sumitomo, Koji Nishizuka +1 more 2020-03-17
9373939 Method for manufacturing semiconductor device and the semiconductor device Hiroki Mori 2016-06-21
5621748 Stripe laser diode having an improved efficiency for current confinement Makoto Kondo, Akira Furuya, Chikashi Anayama, Mami Sugano, Kay Domen +1 more 1997-04-15
5436194 Stripe laser diode having an improved efficiency for current confinement Makoto Kondo, Akira Furuya, Chikashi Anayama, Mami Sugano, Kay Domen +1 more 1995-07-25
5375136 Semiconductor laser of patterned-substrate type and structure thereof Chikashi Anayama, Makoto Kondo 1994-12-20
5336635 Manufacturing method of semiconductor laser of patterned-substrate type Chikashi Anayama, Makoto Kondo 1994-08-09
5255281 Semiconductor laser having double heterostructure Mami Sugano, Akira Furuya, Makoto Kondo, Chikashi Anayama 1993-10-19
5202285 Semiconductor laser having double heterostructure and method of producing same Mami Sugano, Akira Furuya, Makoto Kondo, Chikashi Anayama 1993-04-13
4592791 Liquid phase epitaxial growth method for producing a III-V group compound semiconductor Kazuo Nakajima 1986-06-03