Inventor
TONAI ICHIRO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TONAI ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
20 patentsUS5596665AJan 21, 1997
Optical module having structure for defining fixing position of sleeve
SUMITOMO ELECTRIC INDUSTRIES102 citations97
US6354747B1Mar 12, 2002
Optical module
SUMITOMO ELECTRIC INDUSTRIES62 citations95
US5526455AJun 11, 1996
Connector including opposing lens surfaces, side surfaces, and contact surfaces for coupling optical devices
SUMITOMO ELECTRIC INDUSTRIES83 citations95
US5412229AMay 2, 1995
Semiconductor light detecting device making use of a photodiode chip
SUMITOMO ELECTRIC INDUSTRIES57 citations93
US6234686B1May 22, 2001
Optical data link
SUMITOMO ELECTRIC INDUSTRIES36 citations92
US6114737ASep 5, 2000
Light-receiving device
SUMITOMO ELECTRIC INDUSTRIES20 citations92
US5452389ASep 19, 1995
Semiconductor element module
SUMITOMO ELECTRIC INDUSTRIES35 citations92
US5365101ANov 15, 1994
Photo-sensing device
SUMITOMO ELECTRIC INDUSTRIES37 citations92
US7036998B2May 2, 2006
Optical part, optical module sleeve, optical receiving module, optical communication module, and method of making optical part
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US6966705B2Nov 22, 2005
Optical connection sleeve, optical module and optical communication module
SUMITOMO ELECTRIC INDUSTRIES17 citations84
US6315465B1Nov 13, 2001
Optical module
SUMITOMO ELECTRIC INDUSTRIES17 citations82
US5053837AOct 1, 1991
Ingaas/inp type pin photodiodes
SUMITOMO ELECTRIC INDUSTRIES20 citations82
US7154752B2Dec 26, 2006
Optical module and optical hub system
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US6893163B2May 17, 2005
Optical connection sleeve, optical module and optical communication module
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US5420418AMay 30, 1995
Semiconductor light detection device having secondary region to capture and extinguish unnecessary charges
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US5391910AFeb 21, 1995
Light receiving device
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5345074ASep 6, 1994
Semiconductor light source
SUMITOMO ELECTRIC INDUSTRIES12 citations74
US5047832ASep 10, 1991
Electrode structure for III-V compound semiconductor element and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES6 citations74
US5345075ASep 6, 1994
Semiconductor photodetector with dielectric shielding
SUMITOMO ELECTRIC INDUSTRIES5 citations63
US5304824AApr 19, 1994
Photo-sensing device
SUMITOMO ELECTRIC INDUSTRIES4 citations63