Inventor · disambiguated record
Takashi Toyooka
Also filed as: OHTA HIROFUMI · TOYOOKA TAKASHI
82 granted patents·20 pending applications·1,143 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
102 records- 0198US7403318B2Image display device, image display method, and image display programSEIKO EPSON CORP·Filed 2006·Granted Jul 22, 2008·72 cites·6 claims
- 0297US7542619B2Image display method, image display device, and projectorSEIKO EPSON CORP·Filed 2005·Granted Jun 2, 2009·30 cites·5 claims
- 0397US5598370ANonvolatile memory with cluster-erase flash capability and solid state file apparatus using the sameIBM·Filed 1995·Granted Jan 28, 1997·332 cites·10 claims
- 0495US8870387B2Light source control device, projector, and light source control methodTOYOOKA TAKASHI·Filed 2011·Granted Oct 28, 2014·17 cites·10 claims
- 0594US9304382B2Projector and control method thereof using rotation information for a phosphor discTOYOOKA TAKASHI·Filed 2012·Granted Apr 5, 2016·15 cites·12 claims
- 0694US7844128B2Image display method, image display device, and projectorSEIKO EPSON CORP·Filed 2009·Granted Nov 30, 2010·13 cites·5 claims
- 0792US9274406B2ProjectorTOYOOKA TAKASHI·Filed 2011·Granted Mar 1, 2016·11 cites·7 claims
- 0892US5509018AFlash-erase-type nonvolatile semiconductor storage deviceIBM·Filed 1993·Granted Apr 16, 1996·76 cites·9 claims
- 0990US7969455B2Image calibration device and methodSEIKO EPSON CORP·Filed 2006·Granted Jun 28, 2011·10 cites·10 claims
- 1089US5734816ANonvolatile memory with flash erase capabilityIBM·Filed 1994·Granted Mar 31, 1998·142 cites·16 claims
- 1189US5457658ANonvolatile memory with cluster-erase flash capability and solid state file apparatus using the sameIBM·Filed 1994·Granted Oct 10, 1995·118 cites·17 claims
- 1287US8471874B2Electro-optical device, image processing device, and electronic apparatusSATO SHIGEMI·Filed 2007·Granted Jun 25, 2013·8 cites·5 claims
- 1386US10681319B2Image projection system, projector, and method for controlling image projection systemSEIKO EPSON CORP·Filed 2017·Granted Jun 9, 2020·5 cites·20 claims
- 1486US10015456B2Projector and control methodSEIKO EPSON CORP·Filed 2017·Granted Jul 3, 2018·4 cites·8 claims
- 1586US9769439B2Projector and method for controlling the same the same that adjust light source output based on a corrected detected light brightnessSEIKO EPSON CORP·Filed 2013·Granted Sep 19, 2017·5 cites·14 claims
- 1686US5546402AFlash-erase-type nonvolatile semiconductor storage deviceIBM·Filed 1995·Granted Aug 13, 1996·52 cites·3 claims
- 1785US10341626B2Image projection system, projector, and control method for image projection systemSEIKO EPSON CORP·Filed 2016·Granted Jul 2, 2019·4 cites·8 claims
- 1885US7466499B2ProjectorSEIKO EPSON CORP·Filed 2006·Granted Dec 16, 2008·9 cites·3 claims
- 1984US9933694B2Projector and control method thereof using rotation information for a phosphor discSEIKO EPSON CORP·Filed 2016·Granted Apr 3, 2018·3 cites·10 claims
- 2084US8773479B2Electro-optic device, electronic apparatus, and method for driving electro-optic deviceNISHIMORI TAKASHI·Filed 2012·Granted Jul 8, 2014·5 cites·11 claims
- 2183US9058767B2Electrooptical device having pixel subfields controllable to produce gray levelsTOYOOKA TAKASHI·Filed 2012·Granted Jun 16, 2015·4 cites·8 claims
- 2283US8531369B2Electro-optic device and electronic apparatusTOYOOKA TAKASHI·Filed 2011·Granted Sep 10, 2013·4 cites·8 claims
- 2383US4788672AMethod and apparatus for controlling renewal of data in optical disc memoryHITACHI LTD·Filed 1986·Granted Nov 29, 1988·26 cites·23 claims
- 2483US4607178AReset signal generating circuitHITACHI LTD·Filed 1983·Granted Aug 19, 1986·28 cites·2 claims
- 2579US7649574B2Image display method and device, and projectorSEIKO EPSON CORP·Filed 2005·Granted Jan 19, 2010·4 cites·7 claims
- 2678US10033976B2Projection display apparatus and projection display methodSEIKO EPSON CORP·Filed 2014·Granted Jul 24, 2018·3 cites·9 claims
- 2778US9244338B2ProjectorSEIKO EPSON CORP·Filed 2015·Granted Jan 26, 2016·2 cites·8 claims
- 2876US5844910AFlash-erase-type nonvolatile semiconductor storage deviceIBM·Filed 1996·Granted Dec 1, 1998·61 cites·4 claims
- 2975US8724033B2Image display apparatus and image display methodTOYOOKA TAKASHI·Filed 2007·Granted May 13, 2014·4 cites·5 claims
- 3075US5270987AMagneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium thereforHITACHI LTD·Filed 1990·Granted Dec 14, 1993·22 cites·53 claims
- 3174US8887083B2Generating equations based on user intentTOYOOKA TAKASHI·Filed 2010·Granted Nov 11, 2014·5 cites·18 claims
- 3272US7768688B2Image display device, image display method, and image display programSEIKO EPSON CORP·Filed 2008·Granted Aug 3, 2010·2 cites·5 claims
- 3372US7746530B2Image display device, image display method, and image display programSEIKO EPSON CORP·Filed 2008·Granted Jun 29, 2010·2 cites·14 claims
- 3472US4101970AMagnetic bubble moduleKOGYO GIJUTSUIN·Filed 1976·Granted Jul 18, 1978·14 cites·7 claims
- 3571US9363872B2Display device and method of controlling light sourceSEIKO EPSON CORP·Filed 2013·Granted Jun 7, 2016·2 cites·7 claims
- 3670US12326285B2Binary refrigeration apparatusPHC HOLDINGS CORP·Filed 2022·Granted Jun 10, 2025·0 cites·10 claims
- 3769US9772547B2ProjectorSEIKO EPSON CORP·Filed 2015·Granted Sep 26, 2017·1 cites·10 claims
- 3869US8159452B2Image display device and electronic apparatusTOYOOKA TAKASHI·Filed 2009·Granted Apr 17, 2012·1 cites·6 claims
- 3967US8248394B2Electro-optical device, driving method thereof, and electronic apparatusTOYOOKA TAKASHI·Filed 2009·Granted Aug 21, 2012·1 cites·9 claims
- 4066US2025012496A1Method for charging refrigerantPHC HOLDINGS CORP·Filed 2024·Application pending·0 cites
- 4165US10731898B2Binary refrigerating apparatusPHC HOLDINGS CORP·Filed 2018·Granted Aug 4, 2020·0 cites·15 claims
- 4265US8954838B2Presenting data in a tabular formatBALARAM ANIL P·Filed 2009·Granted Feb 10, 2015·4 cites·17 claims
- 4365US8339389B2Electro-optical device, driving method thereof, and electronic apparatus with adjustable ratio between positive and negative field using black display voltageSASAKI HITOSHI·Filed 2009·Granted Dec 25, 2012·1 cites·15 claims
- 4465US7866830B2Illumination device and projectorSEIKO EPSON CORP·Filed 2007·Granted Jan 11, 2011·1 cites·5 claims
- 4562US10770029B2Display device and method of controlling display deviceSEIKO EPSON CORP·Filed 2018·Granted Sep 8, 2020·0 cites·8 claims
- 4662US9082359B2Projection display apparatus having an optical element projecting modulated light, method for controlling the same, and electronic deviceTOYOOKA TAKASHI·Filed 2009·Granted Jul 14, 2015·0 cites·20 claims
- 4761US12429264B2Refrigeration circuit and refrigeration devicePHC HOLDINGS CORP·Filed 2023·Granted Sep 30, 2025·0 cites·8 claims
- 4859US2024344742A1Refrigeration apparatusPHC CORP·Filed 2024·Application pending·0 cites
- 4958US10009584B2Display device and method of controlling display deviceSEIKO EPSON CORP·Filed 2013·Granted Jun 26, 2018·0 cites·2 claims
- 5058US9305500B2ProjectorTOYOOKA TAKASHI·Filed 2007·Granted Apr 5, 2016·0 cites·14 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →