Inventor · disambiguated record
Katsuya Yagi
Also filed as: YAGI KATSUYA
15 granted patents·4 pending applications·196 citations·filing 1990–2013
93Inventor score
Files withKONISHIROKU PHOTO IND7KONICA MINOLTA OPTO INC6FUJII HIDEYUKI1FUJITSU LTD1KONICA MINOLTA HOLDING INC1
Top patents by PatentIndex Score
19 records- 0185US5754513AInformation pick-up apparatus and optical disk apparatusKONISHIROKU PHOTO IND·Filed 1996·Granted May 19, 1998·41 cites·34 claims
- 0283US5757758AOptical pickup apparatus objective lens and converging optical system for optical pickup and optical disk apparatusKONISHIROKU PHOTO IND·Filed 1996·Granted May 26, 1998·42 cites·37 claims
- 0381US5920532AInformation pick-up apparatus and optical disk apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Jul 6, 1999·31 cites·50 claims
- 0480US9591241B2Compound eye optical system and imaging device using the sameKONICA MINOLTA INC·Filed 2013·Granted Mar 7, 2017·4 cites·11 claims
- 0575US7929385B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Apr 19, 2011·3 cites·18 claims
- 0674US7193954B2Optical pickup device and objective lens for the optical pickup deviceKONICA MINOLTA HOLDING INC·Filed 2004·Granted Mar 20, 2007·21 cites·32 claims
- 0768US5808999AOptical pickup apparatus and objective lens for optical pickup apparatusKONISHIROKU PHOTO IND·Filed 1997·Granted Sep 15, 1998·21 cites·20 claims
- 0861US7586827B2Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2004·Granted Sep 8, 2009·4 cites·27 claims
- 0960US7221492B2Scanning device including an objective system with a lens protection deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted May 22, 2007·4 cites·11 claims
- 1057US5883747ARecording and/or reproducing optical system and objective lens for optical information recording mediumKONISHIROKU PHOTO IND·Filed 1997·Granted Mar 16, 1999·13 cites·20 claims
- 1153US7511880B2Semiconductor light source moduleKONICA MINOLTA OPTO INC·Filed 2006·Granted Mar 31, 2009·2 cites·14 claims
- 1252US7843777B2Assembly method of optical pickup and optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Granted Nov 30, 2010·0 cites·14 claims
- 1349US5422866AMagneto-optical head with birefringent polarizerKONISHIROKU PHOTO IND·Filed 1994·Granted Jun 6, 1995·7 cites·9 claims
- 1446US2006198279A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2006·Application pending·0 cites
- 1544US2005219988A1Optical pickup apparatusKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 1643US2005111516A1Optical pickup apparatusFiled 2004·Application pending·0 cites
- 1742US8199616B2Assembly method of optical pickup and optical pickup apparatusFUJII HIDEYUKI·Filed 2010·Granted Jun 12, 2012·0 cites·15 claims
- 1840US2006136714A1Method and apparatus for encryption and decryption, and computer productFUJITSU LTD·Filed 2005·Application pending·0 cites
- 1936US5068845AOptical pickup device for reading information on an optical diskKONISHIROKU PHOTO IND·Filed 1990·Granted Nov 26, 1991·3 cites·3 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →