Inventor · disambiguated record
Sosaku Sawada
Also filed as: SAWADA SOSAKU
25 granted patents·767 citations·filing 1994–2013
97Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES16EUDYNA DEVICES INC3HANSHIN TECHNICAL LAB LTD2HARA HIROSHI1ITO MAKOTO1
Top patents by PatentIndex Score
25 records- 0199US5880582ACurrent mirror circuit and reference voltage generating and light emitting element driving circuits using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Mar 9, 1999·225 cites·10 claims
- 0291US5742480AOptical module circuit board having flexible structureSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Apr 21, 1998·131 cites·13 claims
- 0389US5596665AOptical module having structure for defining fixing position of sleeveSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 21, 1997·102 cites·16 claims
- 0482US5712504APin type light-receiving device, opto electronic conversion circuit, and opto-electronic conversion moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jan 27, 1998·72 cites·12 claims
- 0579US8704592B2Traveling wave amplifier with pre-emphasis functionTATSUMI TAIZOU·Filed 2012·Granted Apr 22, 2014·10 cites·14 claims
- 0679US6004046AOptical module and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 21, 1999·51 cites·24 claims
- 0777US6567441B2Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted May 20, 2003·15 cites·18 claims
- 0876US8390383B2Amplifier for receiving intermittent optical signalHARA HIROSHI·Filed 2011·Granted Mar 5, 2013·4 cites·9 claims
- 0972US8907722B2Traveling wave amplifier with suppressed jitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Dec 9, 2014·4 cites·13 claims
- 1072US7755434B2Electronic circuitEUDYNA DEVICES INC·Filed 2008·Granted Jul 13, 2010·7 cites·10 claims
- 1172US7585120B2Optical device and method of manufacturing the same, optical device adaptor, and optical component stopperEUDYNA DEVICES INC·Filed 2006·Granted Sep 8, 2009·6 cites·16 claims
- 1272US6213650B1Method of making optical moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Apr 10, 2001·38 cites·5 claims
- 1371US5528329APhotographic film processing apparatusHANSHIN TECHNICAL LAB LTD·Filed 1995·Granted Jun 18, 1996·8 cites·5 claims
- 1463US9182617B2Driver circuit configured with travelling wave amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Nov 10, 2015·2 cites·13 claims
- 1560US5475256AOpto-electronic integrated circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 12, 1995·15 cites·13 claims
- 1659US8987650B2Front end module for optical receiverITO MAKOTO·Filed 2011·Granted Mar 24, 2015·2 cites·17 claims
- 1758USD396210SOptical receiver/transmitter moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jul 21, 1998·10 cites·1 claims
- 1857US8816772B2Differential amplifier with function of variable gain and optical receiver implemented with the sameSUGIMOTO YOSHIYUKI·Filed 2011·Granted Aug 26, 2014·2 cites·6 claims
- 1954US6257773B1Optical module and optical reflecting memberSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jul 10, 2001·18 cites·11 claims
- 2053US8362841B2Conversion circuit from single phase signal to differential phase signalSUMITOMO ELECTRIC INDUSTRIES·Filed 2011·Granted Jan 29, 2013·1 cites·11 claims
- 2147US5652425APhotoelectric conversion module with noise compensationSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jul 29, 1997·14 cites·13 claims
- 2247US5489798AOpto-electronic integrated circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Feb 6, 1996·13 cites·23 claims
- 2346US7579915B2Electronic circuitEUDYNA DEVICES INC·Filed 2007·Granted Aug 25, 2009·2 cites·10 claims
- 2444US5546489AOptical link apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Aug 13, 1996·12 cites·13 claims
- 2544US5426480APhotographic film processing apparatusHANSHIN TECHNICAL LAB LTD·Filed 1994·Granted Jun 20, 1995·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →