Inventor · disambiguated record
Takashi Shibaguchi
Also filed as: SHIBAGUCHI TAKASHI
19 granted patents·1 pending application·293 citations·filing 1983–2006
95Inventor score
Files withRICOH KK19
Top patents by PatentIndex Score
20 records- 0196US6548137B2Phase-change optical recording medium and recording method and apparatus for the sameRICOH KK·Filed 2000·Granted Apr 15, 2003·60 cites·10 claims
- 0289US6096398APhase-change optical recording mediumRICOH KK·Filed 1998·Granted Aug 1, 2000·58 cites·8 claims
- 0381US5033806AOptical scannerRICOH KK·Filed 1990·Granted Jul 23, 1991·41 cites·9 claims
- 0479US7507523B2Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical informationRICOH KK·Filed 2001·Granted Mar 24, 2009·14 cites·33 claims
- 0577US6884487B2Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting methodRICOH KK·Filed 2003·Granted Apr 26, 2005·8 cites·49 claims
- 0674US6777057B2Phase-change optical recording medium and recording method and apparatus for the sameRICOH KK·Filed 2003·Granted Aug 17, 2004·6 cites·8 claims
- 0760US7366075B2Phase-change optical recording medium and recording method and apparatus for the sameRICOH KK·Filed 2006·Granted Apr 29, 2008·0 cites·2 claims
- 0860US6884488B2Phase-change optical recording medium and recording method and apparatus for the sameRICOH KK·Filed 2004·Granted Apr 26, 2005·2 cites·13 claims
- 0959US7364781B2Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting methodRICOH KK·Filed 2006·Granted Apr 29, 2008·0 cites·7 claims
- 1059US5124835AOptical scanning apparatusRICOH KK·Filed 1990·Granted Jun 23, 1992·19 cites·9 claims
- 1156US7102977B2Phase-change optical recording medium and recording method and apparatus for the sameRICOH KK·Filed 2005·Granted Sep 5, 2006·0 cites·3 claims
- 1256US5031978ARecording optical systemRICOH KK·Filed 1990·Granted Jul 16, 1991·16 cites·9 claims
- 1352US5020885AOptical elementRICOH KK·Filed 1989·Granted Jun 4, 1991·14 cites·20 claims
- 1450US5402154AOptical recording system capable of changing the beam sizeRICOH KK·Filed 1992·Granted Mar 28, 1995·16 cites·17 claims
- 1548US4633271AOptical writing deviceRICOH KK·Filed 1983·Granted Dec 30, 1986·8 cites·10 claims
- 1648US2005058055A1Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting methodFiled 2004·Application pending·0 cites
- 1746US5272561AElectrooptic deviceRICOH KK·Filed 1993·Granted Dec 21, 1993·13 cites·5 claims
- 1839US5541761AOptical beam scanning apparatus adjusting focal point over entire image forming area by feedback controlRICOH KK·Filed 1995·Granted Jul 30, 1996·7 cites·9 claims
- 1938US5140454AElectrooptic deviceRICOH KK·Filed 1990·Granted Aug 18, 1992·8 cites·10 claims
- 2035US5587826AOptical beam scanning apparatus adjusting focal point over entire image forming area by feedback controlRICOH KK·Filed 1996·Granted Dec 24, 1996·3 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →