Inventor · disambiguated record
Shinichi Nakatsuka
Also filed as: NAKATSUKA SHINICHI
17 granted patents·3 pending applications·102 citations·filing 1977–2009
92Inventor score
Files withHITACHI LTD14RICOH KK2FUJISAWA PHARMACEUTICAL CO1RICOH CO LTD1RICOH PRINTING SYSTEMS CO LTD1
Top patents by PatentIndex Score
20 records- 0178US7542396B2Information recording apparatus, information recording medium and information recording mediumHITACHI LTD·Filed 2005·Granted Jun 2, 2009·4 cites·14 claims
- 0268US6829265B2Semiconductor laser arrayHITACHI LTD·Filed 2002·Granted Dec 7, 2004·10 cites·7 claims
- 0364US7888146B2Method for assembling array-type semiconductor laser deviceRICOH CO LTD·Filed 2008·Granted Feb 15, 2011·2 cites·12 claims
- 0459US5959655ALight beam scanning apparatus which controls power and spot shape of light beamHITACHI LTD·Filed 1996·Granted Sep 28, 1999·22 cites·7 claims
- 0557US6657653B2Electric photograph systemHITACHI LTD·Filed 2001·Granted Dec 2, 2003·5 cites·22 claims
- 0649US5136601ASemiconductor laserHITACHI LTD·Filed 1989·Granted Aug 4, 1992·8 cites·3 claims
- 0747US5401357ADry etching methodHITACHI LTD·Filed 1992·Granted Mar 28, 1995·17 cites·20 claims
- 0847US2010158067A1Optical moduleHITACHI LTD·Filed 2009·Application pending·0 cites
- 0945US4752933ASemiconductor laserHITACHI LTD·Filed 1986·Granted Jun 21, 1988·6 cites·16 claims
- 1044US7206329B2Driving system for a semiconductor laser deviceRICOH PRINTING SYSTEMS CO LTD·Filed 2004·Granted Apr 17, 2007·3 cites·5 claims
- 1142US5608750ASemiconductor laser device and a method for the manufacture thereofHITACHI LTD·Filed 1994·Granted Mar 4, 1997·8 cites·2 claims
- 1241US7564886B2Semiconductor laser diode arrayRICOH KK·Filed 2005·Granted Jul 21, 2009·0 cites·24 claims
- 1341US4872175ASemiconductor laser device having a lens-like refractive index distribution within the stripeHITACHI LTD·Filed 1988·Granted Oct 3, 1989·5 cites·19 claims
- 1441US4783425AFabrication process of semiconductor lasersHITACHI LTD·Filed 1986·Granted Nov 8, 1988·7 cites·26 claims
- 1541US2010111126A1Semiconductor lasersSHIMIZU JUNICHIRO·Filed 2009·Application pending·0 cites
- 1638US2003103516A1Semiconductor lasers, and optical modules and systems using these lasersHITACHI LTD·Filed 2002·Application pending·0 cites
- 1737US7653110B2Semiconductor laser apparatus and method for mounting semiconductor laser apparatusRICOH KK·Filed 2008·Granted Jan 26, 2010·0 cites·12 claims
- 1832US4108861AAzetothiazole-5-yl-3-halomethyl-2-butenoic acid derivatives and the preparation of 5-thia-1-azabicyclo-[4.2.0]-2-octene-2-carboxylic acid derivatives from themFUJISAWA PHARMACEUTICAL CO·Filed 1977·Granted Aug 22, 1978·2 cites·14 claims
- 1931US6091439ALaser printer and light source suitable for the sameHITACHI LTD·Filed 1997·Granted Jul 18, 2000·2 cites·8 claims
- 2031US4821275ALaser diodeHITACHI LTD·Filed 1988·Granted Apr 11, 1989·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →