Inventor · disambiguated record
Takehiro Ishidate
Also filed as: ISHIDATE TAKEHIRO
75 granted patents·11 pending applications·262 citations·filing 2010–2025
98Inventor score
Top patents by PatentIndex Score
86 records- 0198US9086645B2Light scanning apparatusCANON KK·Filed 2014·Granted Jul 21, 2015·25 cites·25 claims
- 0297US9720207B2Light scanning apparatusCANON KK·Filed 2015·Granted Aug 1, 2017·19 cites·6 claims
- 0397US9316992B2Light scanning apparatus and image forming apparatusCANON KK·Filed 2015·Granted Apr 19, 2016·21 cites·14 claims
- 0496US9772577B2Light scanning apparatusCANON KK·Filed 2016·Granted Sep 26, 2017·17 cites·5 claims
- 0596US9517638B2Light scanning apparatus and image forming apparatusCANON KK·Filed 2016·Granted Dec 13, 2016·21 cites·20 claims
- 0696US9400444B2Image forming apparatus with improved timing for emitting beam detect light beamCANON KK·Filed 2015·Granted Jul 26, 2016·25 cites·13 claims
- 0795US9195063B2Light scanning apparatus and image forming apparatusCANON KK·Filed 2014·Granted Nov 24, 2015·25 cites·9 claims
- 0895US8947478B2Light scanning apparatus and image forming apparatusCANON KK·Filed 2014·Granted Feb 3, 2015·28 cites·10 claims
- 0994US10451870B2Optical scanning apparatus and image forming apparatusCANON KK·Filed 2018·Granted Oct 22, 2019·5 cites·18 claims
- 1093US10303081B2Casing of a light scanning apparatus, light scanning apparatus, and image forming apparatusCANON KK·Filed 2018·Granted May 28, 2019·6 cites·10 claims
- 1192US12253810B2Image forming apparatusCANON KK·Filed 2023·Granted Mar 18, 2025·1 cites·9 claims
- 1292US2025348019A1Image forming apparatus that cools an exposure deviceCANON KK·Filed 2025·Application pending·0 cites
- 1391US11042103B2Image forming apparatus having optical print headCANON KK·Filed 2019·Granted Jun 22, 2021·4 cites·20 claims
- 1491US10324396B2Light scanning apparatus, image forming apparatus, and housingCANON KK·Filed 2018·Granted Jun 18, 2019·4 cites·15 claims
- 1591US2025348018A1Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductorCANON KK·Filed 2025·Application pending·0 cites
- 1689US12399446B2Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductorCANON KK·Filed 2024·Granted Aug 26, 2025·0 cites·14 claims
- 1789US12393136B2Image forming apparatus that cools an exposure deviceCANON KK·Filed 2024·Granted Aug 19, 2025·0 cites·5 claims
- 1889US12164240B2Image forming apparatus including retractable exposure portionCANON KK·Filed 2023·Granted Dec 10, 2024·1 cites·12 claims
- 1989US11994826B2Image forming apparatusCANON KK·Filed 2023·Granted May 28, 2024·1 cites·5 claims
- 2089US10551786B2Image forming apparatus including optical print headCANON KK·Filed 2018·Granted Feb 4, 2020·4 cites·18 claims
- 2188US10429759B2Image forming apparatus having optical print headCANON KK·Filed 2018·Granted Oct 1, 2019·3 cites·20 claims
- 2287US10503115B2Image forming apparatus including optical print headCANON KK·Filed 2018·Granted Dec 10, 2019·2 cites·33 claims
- 2387US10185119B2Optical scanning apparatus with reflection mirror mounted by leaf springs and image forming apparatus therofCANON KK·Filed 2017·Granted Jan 22, 2019·5 cites·24 claims
- 2486US10564589B2Image forming apparatus including optical print headCANON KK·Filed 2019·Granted Feb 18, 2020·2 cites·10 claims
- 2585US10498920B2Light scanning apparatus and image forming apparatusCANON KK·Filed 2018·Granted Dec 3, 2019·4 cites·16 claims
- 2685US10303080B2Image forming apparatus with improved timing for emitting beam detect light beamCANON KK·Filed 2015·Granted May 28, 2019·5 cites·4 claims
- 2784US12066766B2Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductorCANON KK·Filed 2023·Granted Aug 20, 2024·0 cites·11 claims
- 2884US10473922B2Casing of optical scanning apparatus and optical scanning apparatusCANON KK·Filed 2018·Granted Nov 12, 2019·4 cites·16 claims
- 2984US10274860B2Method for manufacturing light scanning apparatus, and image forming apparatusCANON KK·Filed 2018·Granted Apr 30, 2019·4 cites·56 claims
- 3083US12055869B2Image forming apparatus that cools an exposure deviceCANON KK·Filed 2023·Granted Aug 6, 2024·0 cites·9 claims
- 3183US10353337B2Image forming apparatus including optical print headCANON KK·Filed 2018·Granted Jul 16, 2019·2 cites·13 claims
- 3283US8619108B2Optical scanning apparatus and image forming apparatusISHIDATE TAKEHIRO·Filed 2010·Granted Dec 31, 2013·7 cites·4 claims
- 3382US12399459B2Image forming apparatusCANON KK·Filed 2024·Granted Aug 26, 2025·0 cites·9 claims
- 3481US11347158B2Image forming apparatus including optical print headCANON KK·Filed 2020·Granted May 31, 2022·1 cites·8 claims
- 3581US8902268B2Optical scanning apparatus and image forming apparatusCANON KK·Filed 2014·Granted Dec 2, 2014·4 cites·17 claims
- 3679US10824108B2Cleaning member used in image forming apparatus including optical print head, and image forming apparatus including optical print headCANON KK·Filed 2020·Granted Nov 3, 2020·1 cites·15 claims
- 3779US9019332B2Cover member, light scanning apparatus, and image forming apparatusCANON KK·Filed 2014·Granted Apr 28, 2015·3 cites·19 claims
- 3877US9195162B2Cover member, light scanning apparatus, and image forming apparatusCANON KK·Filed 2015·Granted Nov 24, 2015·2 cites·20 claims
- 3977US2025181006A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4076US10928746B2Image forming apparatus including optical print headCANON KK·Filed 2018·Granted Feb 23, 2021·1 cites·8 claims
- 4175US10459364B2Image forming apparatus having optical print headCANON KK·Filed 2018·Granted Oct 29, 2019·1 cites·17 claims
- 4275US10401754B2Image forming apparatus having optical print headCANON KK·Filed 2018·Granted Sep 3, 2019·1 cites·20 claims
- 4375US9692926B2Optical scanning apparatus and image forming apparatusCANON KK·Filed 2014·Granted Jun 27, 2017·2 cites·8 claims
- 4475US2025341794A1Exposure device and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4575US2025362643A1Exposure device and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4674US2025060688A1Image forming apparatus including retractable exposure portionCANON KK·Filed 2024·Application pending·0 cites
- 4773US12032327B2Image forming apparatusCANON KK·Filed 2023·Granted Jul 9, 2024·0 cites·14 claims
- 4873US9975350B2Light scanning apparatusCANON KK·Filed 2016·Granted May 22, 2018·1 cites·9 claims
- 4973US2025244715A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 5072US12298708B2Image forming apparatus with cooling configurationCANON KK·Filed 2023·Granted May 13, 2025·0 cites·13 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →