IT

Ichiro Tonai

Sumitomo Electric Industries: 21 patents #970 of 21,551Top 5%
Overall (All Time): #198,388 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7154752 Optical module and optical hub system Shunsuke Sato, Kazushige Oki, Toshio Mizue 2006-12-26
7036998 Optical part, optical module sleeve, optical receiving module, optical communication module, and method of making optical part Shunsuke Sato 2006-05-02
6966705 Optical connection sleeve, optical module and optical communication module Shunsuke Sato, Toshio Mizue 2005-11-22
6893163 Optical connection sleeve, optical module and optical communication module Shunsuke Sato, Toshio Mizue 2005-05-17
6354747 Optical module Takeshi Irie, Kazunori Kurima, Toshio Mizue, Daisuke Takagi 2002-03-12
6315465 Optical module Toshio Mizue, Yasuki Mikamura 2001-11-13
6234686 Optical data link Takeshi Irie, Toshio Mizue 2001-05-22
6114737 Light-receiving device 2000-09-05
5596665 Optical module having structure for defining fixing position of sleeve Hiromi Kurashima, Hisato Takahashi, Ken-ichi Kitayama, Ryoji Sakamoto, Sosaku Sawada +2 more 1997-01-21
5542018 Semiconductor laser device making use of photodiode chip Yoshiki Kuhara, Hiromi Nakanishi, Kazuhito Murakami 1996-07-30
5526455 Connector including opposing lens surfaces, side surfaces, and contact surfaces for coupling optical devices Osamu Akita 1996-06-11
5452389 Semiconductor element module Osamu Akita 1995-09-19
5420418 Semiconductor light detection device having secondary region to capture and extinguish unnecessary charges Yasushi Fujimura 1995-05-30
5412229 Semiconductor light detecting device making use of a photodiode chip Yoshiki Kuhara, Hideaki Koseki, Hisato Michikoshi 1995-05-02
5391910 Light receiving device Yasushi Fujimura, Hiroshi Okuda 1995-02-21
5365101 Photo-sensing device 1994-11-15
5345074 Semiconductor light source Yoshiki Kuhara 1994-09-06
5345075 Semiconductor photodetector with dielectric shielding Yoshiki Kuhara 1994-09-06
5304824 Photo-sensing device 1994-04-19
5214276 Semiconductor structure for photodetector Takeshi Himoto 1993-05-25
5053837 InGaAs/InP type pin photodiodes 1991-10-01
5047832 Electrode structure for III-V compound semiconductor element and method of manufacturing the same 1991-09-10