Inventor · disambiguated record
Kenichi Hirotsu
Also filed as: HIROTSU KENICHI
21 granted patents·2 pending applications·105 citations·filing 1993–2019
93Inventor score
Top patents by PatentIndex Score
23 records- 0190US7750377B2Vertical junction field effect transistors, and methods of producing the vertical junction field effect transistorsSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jul 6, 2010·15 cites·21 claims
- 0285US10693387B2TransformerSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 23, 2020·9 cites·16 claims
- 0381US9577131B2Concentrator photovoltaic module, concentrator photovoltaic panel, and flexible printed circuit for concentrator photovoltaic moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Feb 21, 2017·3 cites·11 claims
- 0478US6870189B1Pinch-off type vertical junction field effect transistor and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 22, 2005·25 cites·19 claims
- 0570US7528426B2Lateral junction field-effect transistorSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted May 5, 2009·4 cites·10 claims
- 0666US6822275B2Transverse junction field effect transistorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Nov 23, 2004·11 cites·12 claims
- 0761US7671388B2Lateral junction field effect transistor and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Mar 2, 2010·1 cites·7 claims
- 0860US7671387B2Lateral junction field effect transistor and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Mar 2, 2010·1 cites·8 claims
- 0960US7282760B2Vertical junction field effect transistors, and methods of producing the vertical junction field effect transistorsSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Oct 16, 2007·6 cites·9 claims
- 1060US7023033B2Lateral junction field-effect transistorSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Apr 4, 2006·8 cites·6 claims
- 1160US5455891ASystem and method for a learning neural network for generating random directions for weight changesGEORGIA TECH RES INST·Filed 1993·Granted Oct 3, 1995·20 cites·25 claims
- 1257US9837558B2Photovoltaic module and photovoltaic panelSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Dec 5, 2017·0 cites·11 claims
- 1353US11736060B2Photovoltaic apparatus and photovoltaic apparatus control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Aug 22, 2023·0 cites·4 claims
- 1449US10320305B2TransformerSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jun 11, 2019·0 cites·8 claims
- 1549US9712069B2Distributed-constant type transformer for voltage conversionSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jul 18, 2017·0 cites·6 claims
- 1649US7420232B2Lateral junction field effect transistor and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Sep 2, 2008·0 cites·4 claims
- 1747US7049644B2Lateral junction field effect transistor and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 23, 2006·2 cites·4 claims
- 1839US2005056872A1Transverse junction field effect transistorSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 1939US2014373899A1Concentrator photovoltaic system, method for detecting tracking deviation, method for correcting tracking deviation, control device, program for detecting tracking deviation, and, program for correcting tracking deviationSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Application pending·0 cites
- 2035US10937918B2Flexible printed circuit, and concentrator photovoltaic module and concentrator photovoltaic panel using sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 2, 2021·0 cites·2 claims
- 2133US9136911B2Power line communication device, power supply circuit with communication function, electric appliance, and control and monitoring systemHIKIHARA TAKASHI·Filed 2010·Granted Sep 15, 2015·0 cites·8 claims
- 2232US10122288B2Transformer composed of a front stage circuit and a rear stage circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Nov 6, 2018·0 cites·5 claims
- 2332US10116197B2Transformer without magnetic coupling, electromagnetic induction or mutual inductanceSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Oct 30, 2018·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Kenichi Hirotsu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →