Inventor · disambiguated record
Kiyono Ikenaka
Also filed as: IKENAKA KIYONO
31 granted patents·27 pending applications·94 citations·filing 2001–2012
95Inventor score
Files withKONICA MINOLTA OPTO INC35KONICA CORP7KONICA MINOLTA HOLDINGS INC6KONISHIROKU PHOTO IND4IKENAKA KIYONO2
Top patents by PatentIndex Score
58 records- 0187US7668066B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2006·Granted Feb 23, 2010·8 cites·16 claims
- 0279US7050236B2Diffractive optical element and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted May 23, 2006·4 cites·40 claims
- 0378US6728172B2Objective lens and optical pickup apparatusKONISHIROKU PHOTO IND·Filed 2001·Granted Apr 27, 2004·13 cites·62 claims
- 0477US7426170B2Objective lens and optical pickup apparatus for reproducing and/or recording information for at least two types of optical discsKONICA MINOLTA OPTO INC·Filed 2006·Granted Sep 16, 2008·3 cites·29 claims
- 0576US7200079B2Optical pickup device and optical element used for the sameKONICA CORP·Filed 2003·Granted Apr 3, 2007·10 cites·52 claims
- 0675US7463568B2Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2007·Granted Dec 9, 2008·2 cites·38 claims
- 0774US7193954B2Optical pickup device and objective lens for the optical pickup deviceKONICA MINOLTA HOLDING INC·Filed 2004·Granted Mar 20, 2007·21 cites·32 claims
- 0872US7636291B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Dec 22, 2009·2 cites·3 claims
- 0968US7903528B2Optical pick-up apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted Mar 8, 2011·1 cites·11 claims
- 1066US7724634B2Optical pickup apparatus with temperature compensationKONICA MINOLTA OPTO INC·Filed 2007·Granted May 25, 2010·1 cites·22 claims
- 1165US6856471B2Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Feb 15, 2005·6 cites·87 claims
- 1264US7957231B2Optical pickup apparatus and objective optical elementKONICA MINOLTA OPTO INC·Filed 2009·Granted Jun 7, 2011·0 cites·59 claims
- 1364US7289415B2Optical pick-up apparatus and divergent angle-converting elementKONICA MINOLTA OPTO INC·Filed 2004·Granted Oct 30, 2007·5 cites·63 claims
- 1461US7304935B2Optical pickup device and correcting element used in the optical pickup deviceKONICA MINOLTA OPTO INC·Filed 2004·Granted Dec 4, 2007·4 cites·39 claims
- 1561US2008259767A1Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2008·Application pending·0 cites
- 1660US7190658B2Optical element having a plurality of ring-shaped zonesKONICA CORP·Filed 2002·Granted Mar 13, 2007·4 cites·37 claims
- 1758US7269119B2Optical pick-up apparatusKONICA MINOLTA OPTO INC·Filed 2004·Granted Sep 11, 2007·3 cites·21 claims
- 1857US7855945B2Optical pickup apparatus and optical elementKONICA CORP·Filed 2006·Granted Dec 21, 2010·0 cites·5 claims
- 1957US7330406B2Optical pickup device and optical element used for the sameKONICA CORP·Filed 2007·Granted Feb 12, 2008·0 cites·7 claims
- 2056US7577077B2Optical pickup apparatus and optical elementKONICA CORP·Filed 2003·Granted Aug 18, 2009·2 cites·20 claims
- 2155US7889618B2Objective optical element and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Feb 15, 2011·0 cites·44 claims
- 2255US7821904B2Optical pickup apparatus and objective optical elementKONICA MINOLTA OPTO INC·Filed 2005·Granted Oct 26, 2010·0 cites·18 claims
- 2355US2006203692A1Optical pickup apparatus and objective optical unitKONICA MINOLTA OPTO INC·Filed 2006·Application pending·0 cites
- 2453US7508745B2Optical element having a refractive function and an optical path difference providing functionKONICA CORP·Filed 2002·Granted Mar 24, 2009·3 cites·7 claims
- 2551US7969854B2Optical pickup device and objective lens used in the sameKONICA CORP·Filed 2009·Granted Jun 28, 2011·0 cites·6 claims
- 2651US2008101166A1Optical element and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Application pending·0 cites
- 2751US2012155241A1Optical pickup apparatus and objective optical unitOTA KOHEI·Filed 2012·Application pending·0 cites
- 2850US7710847B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted May 4, 2010·0 cites·17 claims
- 2950US7710848B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Granted May 4, 2010·0 cites·6 claims
- 3050US7498550B2Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediumsKONICA MINOLTA OPTO INC·Filed 2007·Granted Mar 3, 2009·0 cites·16 claims
- 3149US2007211600A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Application pending·0 cites
- 3249US2007211602A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Application pending·0 cites
- 3349US2007211601A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2007·Application pending·0 cites
- 3448US7206274B2Converging optical system of optical pickup deviceKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Apr 17, 2007·2 cites·60 claims
- 3546US2006198279A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2006·Application pending·0 cites
- 3645US7706237B2Objective lens and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Apr 27, 2010·0 cites·26 claims
- 3745US2005265151A1Objective optical system, optical pickup apparatus and optical disk drive apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 3845US2006077862A1Objective lens and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 3945US2006016958A1Objective optical element and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 4045US2004085662A1Objective optical element and optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2003·Application pending·0 cites
- 4144US7697392B2Optical pickup apparatus and optical information recording and/or reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2006·Granted Apr 13, 2010·0 cites·24 claims
- 4244US7525879B2Objective optical element and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Apr 28, 2009·0 cites·30 claims
- 4344US2006164967A1Objective lens and optical pickup deviceIKENAKA KIYONO·Filed 2005·Application pending·0 cites
- 4444US2005180294A1Optical pick-up apparatus and optical information recording and/or reproducing apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 4544US2005270958A1Objective lens and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 4644US2005213472A1Optical element and optical pickup device having the sameKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 4743US2005105446A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2004·Application pending·0 cites
- 4842US2004184386A1Optical pickup apparatusKONICA MINOLTA HOLDINGS INC·Filed 2004·Application pending·0 cites
- 4942US2004218503A1Objective optical element and optical pickup deviceKONICA MINOLTA OPTO INC·Filed 2004·Application pending·0 cites
- 5042US2005105447A1Optical pickup device and optical system used for the sameKONICA MINOLTA OPTO INC·Filed 2004·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →