Inventor · disambiguated record
Yoshitaka Ishikawa
Also filed as: ISHIKAWA YOSHITAKA
15 granted patents·3 pending applications·172 citations·filing 1974–2019
92Inventor score
Files withHAMAMATSU PHOTONICS KK6NUFLARE TECHNOLOGY INC4ISHIKAWA YOSHITAKA2SUMITOMO HEAVY INDUSTRIES2YAMAMURA KAZUHISA2
Top patents by PatentIndex Score
18 records- 0197US8994135B2Photodiode and photodiode arrayHAMAMATSU PHOTONICS KK·Filed 2013·Granted Mar 31, 2015·26 cites·12 claims
- 0297US8742528B2Photodiode and photodiode arrayYAMAMURA KAZUHISA·Filed 2010·Granted Jun 3, 2014·33 cites·5 claims
- 0395US9190551B2Photodiode and photodiode arrayYAMAMURA KAZUHISA·Filed 2010·Granted Nov 17, 2015·19 cites·5 claims
- 0481US10204819B2Vapor phase growth apparatus and ring-shaped holder having a curved mounting surface with convex and concave regionsNUFLARE TECHNOLOGY INC·Filed 2017·Granted Feb 12, 2019·1 cites·13 claims
- 0574US4805695ACounterflow heat exchanger with floating plateSUMITOMO HEAVY INDUSTRIES·Filed 1987·Granted Feb 21, 1989·34 cites·15 claims
- 0669US12338543B2Vapor phase growth method using reflector with changeable patternNUFLARE TECHNOLOGY INC·Filed 2019·Granted Jun 24, 2025·0 cites·2 claims
- 0768US3943583ABed with a commodeDAIKA KABUSHIKI KAISHA·Filed 1974·Granted Mar 16, 1976·30 cites·9 claims
- 0865US2018066381A1Vapor phase growth apparatus and vapor phase growth methodNUFLARE TECHNOLOGY INC·Filed 2017·Application pending·0 cites
- 0962US9972729B2Photodiode and photodiode arrayHAMAMATSU PHOTONICS KK·Filed 2017·Granted May 15, 2018·0 cites·5 claims
- 1060US8993361B2Manufacturing method for edge illuminated type photodiode and semiconductor waferHAMAMATSU PHOTONICS KK·Filed 2013·Granted Mar 31, 2015·1 cites·8 claims
- 1158US9614109B2Photodiode and photodiode arrayHAMAMATSU PHOTONICS KK·Filed 2015·Granted Apr 4, 2017·0 cites·5 claims
- 1253US5654536APhotomultiplier having a multilayer semiconductor deviceHAMAMATSU PHOTONICS KK·Filed 1995·Granted Aug 5, 1997·18 cites·14 claims
- 1349US2012061785A1Semiconductor light detecting element and manufacturing method thereforISHIKAWA YOSHITAKA·Filed 2010·Application pending·0 cites
- 1448US11592340B2Circuit device and temperature detection systemSANYO ELECTRIC CO·Filed 2018·Granted Feb 28, 2023·0 cites·7 claims
- 1545US9385151B2Manufacturing method for edge illuminated type photodiode and semiconductor waferHAMAMATSU PHOTONICS KK·Filed 2015·Granted Jul 5, 2016·0 cites·3 claims
- 1644US2009121306A1Photodiode ArrayISHIKAWA YOSHITAKA·Filed 2005·Application pending·0 cites
- 1743US10287707B2Film growth apparatus, film growth method and maintenance method of film growth apparatusNUFLARE TECHNOLOGY INC·Filed 2017·Granted May 14, 2019·0 cites·13 claims
- 1840US5843204AMethod for recycling iron and steel industry wasteSUMITOMO HEAVY INDUSTRIES·Filed 1996·Granted Dec 1, 1998·10 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →