Inventor · disambiguated record
Koichi Tezuka
Also filed as: TEZUKA KOICHI
38 granted patents·13 pending applications·345 citations·filing 1982–2023
97Inventor score
Top patents by PatentIndex Score
51 records- 0196USRE35607EDistance measuring method and apparatus thereforNIPPON KOKAN KK·Filed 1994·Granted Sep 16, 1997·53 cites·12 claims
- 0292US5075863ADistance measuring method and apparatus thereforNIPPON KOKAN KK·Filed 1989·Granted Dec 24, 1991·93 cites·12 claims
- 0391US10627493B2Apparatus, method for laser distance measurement, and non-transitory computer-readable storage mediumFUJITSU LTD·Filed 2016·Granted Apr 21, 2020·11 cites·15 claims
- 0482US5859819ATracking and focus control system for optical disk apparatusFUJITSU LTD·Filed 1996·Granted Jan 12, 1999·41 cites·26 claims
- 0575US9046599B2Object detection apparatus and methodFUJITSU LTD·Filed 2013·Granted Jun 2, 2015·5 cites·12 claims
- 0674US9309404B2Reinforced thermoplastic resin composition and molded articleUMG ABS LTD·Filed 2013·Granted Apr 12, 2016·1 cites·5 claims
- 0774US7715073B2Hologram recorderFUJITSU LTD·Filed 2008·Granted May 11, 2010·3 cites·13 claims
- 0872US7127729B2Magneto-optical head and magneto-optical disk driveFUJITSU LTD·Filed 2004·Granted Oct 24, 2006·8 cites·5 claims
- 0971US10571568B2Distance measuring device, distance measuring method, and non-transitory computer-readable storage mediumFUJITSU LTD·Filed 2017·Granted Feb 25, 2020·2 cites·16 claims
- 1068US7751105B2Hologram recording apparatus and hologram recording/reproducing methodFUJITSU LTD·Filed 2008·Granted Jul 6, 2010·1 cites·5 claims
- 1167US5619482AOptical head unit for an optical disk using a diffraction gratingFUJITSU LTD·Filed 1995·Granted Apr 8, 1997·20 cites·17 claims
- 1266US6339564B2Optical information recording/reproducing apparatusFUJITSU LTD·Filed 2000·Granted Jan 15, 2002·5 cites·12 claims
- 1365US10705195B2Distance measuring apparatus and distance measuring methodFUJITSU LTD·Filed 2017·Granted Jul 7, 2020·1 cites·19 claims
- 1463US5918662AMethod of controlling the operation of continuous casting and apparatus thereforNIPPON KOKAN KK·Filed 1996·Granted Jul 6, 1999·12 cites·8 claims
- 1563US5623462AOptical information recording/reproducing apparatusFUJITSU LTD·Filed 1995·Granted Apr 22, 1997·15 cites·14 claims
- 1662US8536248B2Reinforced thermoplastic resin composition and molded articleNAKAMOTO MASAHITO·Filed 2010·Granted Sep 17, 2013·1 cites·5 claims
- 1761US9725591B2Reinforced resin composition for plating base, molded article, and electroplated componentTEZUKA KOICHI·Filed 2008·Granted Aug 8, 2017·1 cites·9 claims
- 1860US9207074B2Distance measurement apparatus, and distance measurement methodFUJITSU LTD·Filed 2013·Granted Dec 8, 2015·1 cites·14 claims
- 1959US7039926B2Optical disk apparatus with fine tracking mechanismFUJITSU LTD·Filed 2002·Granted May 2, 2006·3 cites·17 claims
- 2059US2023358535A1Ranging device, computer-readable recording medium storing ranging program, and ranging methodFUJITSU LTD·Filed 2023·Application pending·0 cites
- 2157US5323114AMethod and apparatus for obtaining sectional information of the underground by measuring time differences and strength of electromagnetic signalsNIPPON KOKAN KK·Filed 1990·Granted Jun 21, 1994·27 cites·10 claims
- 2256US5742572AOptical information recording/reproducing apparatus which detects focal errorFUJITSU LTD·Filed 1997·Granted Apr 21, 1998·13 cites·3 claims
- 2354US7719734B2Hologram recording deviceFUJITSU LTD·Filed 2009·Granted May 18, 2010·0 cites·3 claims
- 2454US2009279153A1Hologram recording/reproducing device, hologram recording/reproducing method, and hologram recording mediumFUJITSU LTD·Filed 2009·Application pending·0 cites
- 2554US2022308213A1Measurement system, measurement apparatus, and measurement methodFUJITSU LTD·Filed 2021·Application pending·0 cites
- 2653US2022411258A1Distance measurement apparatus, angle-of-view control method, and computer-readable recording medium storing programFUJITSU LTD·Filed 2022·Application pending·0 cites
- 2753US2009128874A1Hologram recording deviceFUJITSU LTD·Filed 2009·Application pending·0 cites
- 2851US2009129234A1Hologram recording device and hologram recording methodFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2951US2021325534A1Measurement methods, measurement devices, and storage mediumsFUJITSU LTD·Filed 2021·Application pending·0 cites
- 3051US2022018937A1Distance measurement device, distance measurement method, and non-transitory computer-readable storage mediumFUJITSU LTD·Filed 2021·Application pending·0 cites
- 3149US8877854B2Reinforced thermoplastic resin composition and molded articleTEZUKA KOICHI·Filed 2008·Granted Nov 4, 2014·0 cites·9 claims
- 3249US7545726B2Optical disc driveFUJITSU LTD·Filed 2006·Granted Jun 9, 2009·0 cites·10 claims
- 3347US10444358B2Distance measuring apparatus, distance measuring method, and table creating methodFUJITSU LTD·Filed 2016·Granted Oct 15, 2019·0 cites·9 claims
- 3447US6567347B1Optical head having a plurality of coil elements connected in parallel to each otherFUJITSU LTD·Filed 1999·Granted May 20, 2003·6 cites·12 claims
- 3546US6185166B1Optical information recording/reproducing apparatusFUJITSU LTD·Filed 1997·Granted Feb 6, 2001·6 cites·14 claims
- 3646US5793725AOptical information recording/reproducing apparatus having a composite prism with a plurality of emission surfacesFUJITSU LTD·Filed 1996·Granted Aug 11, 1998·6 cites·7 claims
- 3745US6898157B2Optical head having a plurality of coil elements connected in parallel to each otherFUJITSU LTD·Filed 2003·Granted May 24, 2005·0 cites·5 claims
- 3843US6272079B1Optical head unit for optical disk apparatus having both focus control and track control functionFUJITSU LTD·Filed 1998·Granted Aug 7, 2001·6 cites·11 claims
- 3942US11169247B2Distance measuring apparatus, distance measuring method, and non-transitory computer-readable storage medium for storing distance measuring programFUJITSU LTD·Filed 2018·Granted Nov 9, 2021·0 cites·17 claims
- 4042US10761194B2Apparatus, method for distance measurement, and non-transitory computer-readable storage mediumFUJITSU LTD·Filed 2017·Granted Sep 1, 2020·0 cites·20 claims
- 4140US10620303B2Distance measurement device, distance measurement system and distance measurement methodFUJITSU LTD·Filed 2017·Granted Apr 14, 2020·0 cites·5 claims
- 4240US2003223345A1Optical disk apparatus with different transmission factors for polarized lightFUJITSU LTD·Filed 2002·Application pending·0 cites
- 4338US2003151989A1Optical information processing apparatus incorporating diffraction grating with non-grating light receiving areaFUJITSU LTD·Filed 2002·Application pending·0 cites
- 4437US8295142B2Objective lens for recording hologram and hologram recording deviceYAMAKAGE YUZURU·Filed 2010·Granted Oct 23, 2012·0 cites·4 claims
- 4537US2010271922A1Hologram recording deviceFUJITSU LTD·Filed 2010·Application pending·0 cites
- 4637US2005078564A1Floating slider, and magneto-optical storage device comprising itFiled 2002·Application pending·0 cites
- 4737US2010195179A1Hologram reproducing device and hologram reproducing methodFUJITSU LTD·Filed 2010·Application pending·0 cites
- 4834US8609754B2Flame-retardant thermoplastic resin composition and molded article thereofNAITO YOSHITAKA·Filed 2010·Granted Dec 17, 2013·0 cites·8 claims
- 4933US8223413B2Hologram recorderUNO KAZUSHI·Filed 2010·Granted Jul 17, 2012·0 cites·3 claims
- 5029US5600618AOptical data recording/reproducing device and integrated headFUJITSU LTD·Filed 1995·Granted Feb 4, 1997·0 cites·13 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →