Inventor · disambiguated record
Ichiro Tonai
Also filed as: TONAI ICHIRO
22 granted patents·1 pending application·671 citations·filing 1989–2003
96Inventor score
Top patents by PatentIndex Score
23 records- 0189US5596665AOptical module having structure for defining fixing position of sleeveSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 21, 1997·102 cites·16 claims
- 0286US5526455AConnector including opposing lens surfaces, side surfaces, and contact surfaces for coupling optical devicesSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jun 11, 1996·83 cites·19 claims
- 0383US5214276ASemiconductor structure for photodetectorSUMITOMO ELECTRIC INDSUTRIES L·Filed 1991·Granted May 25, 1993·80 cites·8 claims
- 0482US6354747B1Optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Mar 12, 2002·62 cites·16 claims
- 0578US5412229ASemiconductor light detecting device making use of a photodiode chipSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted May 2, 1995·57 cites·26 claims
- 0676US6966705B2Optical connection sleeve, optical module and optical communication moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Nov 22, 2005·17 cites·6 claims
- 0771US7036998B2Optical part, optical module sleeve, optical receiving module, optical communication module, and method of making optical partSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 2, 2006·13 cites·13 claims
- 0871US5365101APhoto-sensing deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Nov 15, 1994·37 cites·20 claims
- 0970US6234686B1Optical data linkSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 22, 2001·36 cites·16 claims
- 1069US5452389ASemiconductor element moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Sep 19, 1995·35 cites·8 claims
- 1165US5053837AIngaas/inp type pin photodiodesSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Oct 1, 1991·20 cites·8 claims
- 1264US7154752B2Optical module and optical hub systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Dec 26, 2006·8 cites·7 claims
- 1363US5542018ASemiconductor laser device making use of photodiode chipFiled 1993·Granted Jul 30, 1996·33 cites·30 claims
- 1461US6893163B2Optical connection sleeve, optical module and optical communication moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 17, 2005·7 cites·9 claims
- 1558US6114737ALight-receiving deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Sep 5, 2000·20 cites·15 claims
- 1652US6315465B1Optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Nov 13, 2001·17 cites·7 claims
- 1747US5345074ASemiconductor light sourceSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Sep 6, 1994·12 cites·18 claims
- 1844US5391910ALight receiving deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Feb 21, 1995·10 cites·12 claims
- 1939US5420418ASemiconductor light detection device having secondary region to capture and extinguish unnecessary chargesSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted May 30, 1995·7 cites·28 claims
- 2039US5047832AElectrode structure for III-V compound semiconductor element and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Sep 10, 1991·6 cites·25 claims
- 2138US2003091349A1Optical data linkFiled 2002·Application pending·0 cites
- 2235US5345075ASemiconductor photodetector with dielectric shieldingSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Sep 6, 1994·5 cites·9 claims
- 2334US5304824APhoto-sensing deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Apr 19, 1994·4 cites·15 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →