Inventor · disambiguated record
Koichiro Nishikawa
Also filed as: NISHIKAWA KOICHIRO
89 granted patents·20 pending applications·312 citations·filing 1988–2025
99Inventor score
Files withNISHIKAWA KOICHIRO70CANON KK31ASAHI OPTICAL CO LTD3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1TSUNOTAN IP CO LTD1
Top patents by PatentIndex Score
109 records- 0191US10527836B2Microscope system, control method, and programCANON KK·Filed 2015·Granted Jan 7, 2020·8 cites·14 claims
- 0287US7791986B2Optical information recording/reproducing apparatusCANON KK·Filed 2007·Granted Sep 7, 2010·9 cites·6 claims
- 0381USPP36480P3Delosperma plant named ‘S3ora’NISHIKAWA KOICHIRO·Filed 2024·Granted Feb 18, 2025·0 cites·1 claims
- 0481USPP36430P3Delosperma plant named ‘S3whi’NISHIKAWA KOICHIRO·Filed 2024·Granted Feb 4, 2025·0 cites·1 claims
- 0581USPP36253P3Delosperma plant named ‘S3ros’NISHIKAWA KOICHIRO·Filed 2024·Granted Nov 12, 2024·0 cites·1 claims
- 0681USPP36246P3Delosperma plant named ‘S3red’NISHIKAWA KOICHIRO·Filed 2024·Granted Nov 5, 2024·0 cites·1 claims
- 0781USPP36224P2Delosperma plant named ‘S3yel’NISHIKAWA KOICHIRO·Filed 2024·Granted Oct 22, 2024·0 cites·1 claims
- 0881US4956833AObjective driving device for an optical disk apparatusASAHI OPTICAL CO LTD·Filed 1989·Granted Sep 11, 1990·28 cites·22 claims
- 0979USPP25572P2Delosperma plant named ‘WOWDRW5’NISHIKAWA KOICHIRO·Filed 2013·Granted May 19, 2015·1 cites·1 claims
- 1078US7417938B2Optical pickup apparatus including collimator lens with first lens group having negative power and being fixed and second lens group having positive power and being movableCANON KK·Filed 2005·Granted Aug 26, 2008·3 cites·2 claims
- 1177US7706227B2Information recording/reproduction apparatusCANON KK·Filed 2006·Granted Apr 27, 2010·3 cites·6 claims
- 1277US7400567B2Optical information recording-reproduction apparatusCANON KK·Filed 2006·Granted Jul 15, 2008·3 cites·5 claims
- 1377US6665242B2Optical information reproducing apparatus having circuit for adjusting reproducing powerCANON KK·Filed 2000·Granted Dec 16, 2003·11 cites·6 claims
- 1476US5995472ALaser beam forming temperature distribution of two peaks on a magneto-optical recording mediumCANON KK·Filed 1998·Granted Nov 30, 1999·28 cites·16 claims
- 1574US6128270AOptical information recording medium capable of recording information on both track guide grooves and lands and optical information reproducing apparatus for optical information recording mediumCANON KK·Filed 1997·Granted Oct 3, 2000·25 cites·6 claims
- 1673US10634897B2Microscope system and control method thereofCANON KK·Filed 2015·Granted Apr 28, 2020·2 cites·25 claims
- 1773US4868377AOptical pickup for reading optical disk information provided with error detecting means by knife edge testASAHI OPTICAL CO LTD·Filed 1988·Granted Sep 19, 1989·18 cites·33 claims
- 1872US10732397B2Microscope system, control method thereof, and programCANON KK·Filed 2015·Granted Aug 4, 2020·2 cites·10 claims
- 1972US5657305AOptical information recording and reproducing apparatus including a total reflection surface or a light shield plate disposed between a polarized light separating surface and a detection device for light beam compensationCANON KK·Filed 1995·Granted Aug 12, 1997·24 cites·36 claims
- 2071USPP34713P3Delosperma plant named ‘W1811’NISHIKAWA KOICHIRO·Filed 2021·Granted Nov 1, 2022·0 cites·1 claims
- 2170US5557601AOptical information recording/reproducing method and apparatus in which a first optical spot performs focusing, tracking, erasing and recording and a second optical spot performs two reproducing modesCANON KK·Filed 1994·Granted Sep 17, 1996·17 cites·12 claims
- 2269US5671199ADetecting apparatus for detecting a tracking error signal in an optical information recording and/or reproducing apparatus and an optical information recording and/or reproducing apparatusCANON KK·Filed 1995·Granted Sep 23, 1997·22 cites·8 claims
- 2368US5463610ATwo-beam optical head for forming first and second light spots on a recording mediumCANON KK·Filed 1994·Granted Oct 31, 1995·16 cites·18 claims
- 2467US7167436B2Optical recording medium having servo area and groove sectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 23, 2007·6 cites·14 claims
- 2566USPP32335P2Bidens plant named ‘FSBIDBER’NISHIKAWA KOICHIRO·Filed 2019·Granted Oct 13, 2020·0 cites·1 claims
- 2665USPP31674P2Delosperma plant named ‘P15R1’NISHIKAWA KOICHIRO·Filed 2019·Granted Apr 14, 2020·0 cites·1 claims
- 2765US6298015B1Magneto-optical reproducing method using a magnified magnetic domainCANON KK·Filed 1999·Granted Oct 2, 2001·17 cites·8 claims
- 2864USPP32103P2Delosperma plant named ‘Wow312’NISHIKAWA KOICHIRO·Filed 2019·Granted Aug 18, 2020·0 cites·1 claims
- 2964USPP31958P2Delosperma plant named ‘P15PY4’NISHIKAWA KOICHIRO·Filed 2019·Granted Jul 7, 2020·0 cites·1 claims
- 3064USPP29694P2Bidens plant named ‘Koibid1510’NISHIKAWA KOICHIRO·Filed 2017·Granted Sep 18, 2018·0 cites·1 claims
- 3163US11287632B2Microscope system, control method, and programCANON KK·Filed 2019·Granted Mar 29, 2022·0 cites·8 claims
- 3263USPP25087P2Bidens plant named ‘Florbikano’NISHIKAWA KOICHIRO·Filed 2012·Granted Nov 18, 2014·0 cites·1 claims
- 3362USPP24867P2Bidens plant named ‘Florbikanre’NISHIKAWA KOICHIRO·Filed 2012·Granted Sep 9, 2014·0 cites·1 claims
- 3462US5586097AOptical head for generating a plurality of light beams and an opto-magnetic recording/reproducing/erasing apparatus using sameCANON KK·Filed 1994·Granted Dec 17, 1996·13 cites·14 claims
- 3560USPP30531P2Bidens plant named ‘15S27’NISHIKAWA KOICHIRO·Filed 2017·Granted May 21, 2019·0 cites·1 claims
- 3660USPP30468P2Bidens plant named ‘15S25’NISHIKAWA KOICHIRO·Filed 2017·Granted Apr 30, 2019·0 cites·1 claims
- 3760USPP27394P2Bidens plant named ‘Hafltufr’NISHIKAWA KOICHIRO·Filed 2015·Granted Nov 15, 2016·0 cites·1 claims
- 3860USPP27314P2Bidens plant named ‘Hafltibr’NISHIKAWA KOICHIRO·Filed 2015·Granted Oct 25, 2016·0 cites·1 claims
- 3960USPP27270P2Bidens plant named ‘Haflpare’NISHIKAWA KOICHIRO·Filed 2015·Granted Oct 11, 2016·0 cites·1 claims
- 4060USPP27271P2Bidens plant named ‘Haflrest’NISHIKAWA KOICHIRO·Filed 2015·Granted Oct 11, 2016·0 cites·1 claims
- 4160USPP24866P2Bidens plant named ‘Florbikanoyel’NISHIKAWA KOICHIRO·Filed 2012·Granted Sep 9, 2014·0 cites·1 claims
- 4259USPP27216P2Bidens plant named ‘Hafltifrpu’NISHIKAWA KOICHIRO·Filed 2015·Granted Sep 27, 2016·0 cites·1 claims
- 4359USPP26718P2Calendula plant named ‘20124-R’NISHIKAWA KOICHIRO·Filed 2014·Granted May 10, 2016·0 cites·1 claims
- 4459US5406532AOptical system for a magneto-optical recording/reproducing apparatusASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 11, 1995·12 cites·16 claims
- 4558US11199688B2Stage apparatusCANON KK·Filed 2019·Granted Dec 14, 2021·0 cites·17 claims
- 4658USPP27056P2Delosperma plant named ‘DSAB13-1’NISHIKAWA KOICHIRO·Filed 2014·Granted Aug 9, 2016·0 cites·1 claims
- 4758USPP27014P2Delosperma plant named ‘DSAA13-1’NISHIKAWA KOICHIRO·Filed 2014·Granted Aug 2, 2016·0 cites·1 claims
- 4858USPP27013P2Delosperma plant named ‘DSAM13-1’NISHIKAWA KOICHIRO·Filed 2014·Granted Aug 2, 2016·0 cites·1 claims
- 4958USPP26980P2Calendula plant named ‘20123-57D’NISHIKAWA KOICHIRO·Filed 2014·Granted Jul 26, 2016·0 cites·1 claims
- 5058USPP26981P2Calendula plant named ‘20123-91D’NISHIKAWA KOICHIRO·Filed 2014·Granted Jul 26, 2016·0 cites·1 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →