Inventor · disambiguated record
Kohei Shibata
Also filed as: SHIBATA KOHEI
62 granted patents·9 pending applications·348 citations·filing 1993–2024
98Inventor score
Files withFUJITSU LTD28FUJITSU OPTICAL COMPONENTS LTD12SHIBATA KOHEI10NAKANISHI METAL WORKS CO5AOTA HIROFUMI2
Top patents by PatentIndex Score
71 records- 0192US10594146B2Battery control circuit for multiple cells employing level shift circuits to avoid faultSHIBATA KOHEI·Filed 2017·Granted Mar 17, 2020·11 cites·13 claims
- 0291US9777797B2ActuatorASMO CO LTD·Filed 2015·Granted Oct 3, 2017·5 cites·12 claims
- 0391US7330617B2Wavelength selective optical switch, and optical device provided with spectroscopic functionFUJITSU LTD·Filed 2005·Granted Feb 12, 2008·30 cites·23 claims
- 0491US7171076B2Dispersion-slope compensatorFUJITSU LTD·Filed 2005·Granted Jan 30, 2007·25 cites·12 claims
- 0591US6163215AVariable gain amplifierFUJITSU LTD·Filed 1999·Granted Dec 19, 2000·73 cites·15 claims
- 0687US7400793B2Optical device with slab waveguide and channel waveguides on substrateFUJITSU LTD·Filed 2006·Granted Jul 15, 2008·15 cites·8 claims
- 0785US9405081B2Optical transmitting apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Aug 2, 2016·3 cites·8 claims
- 0884US12031575B2Strut bearing device, and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2022·Granted Jul 9, 2024·1 cites·4 claims
- 0984US11493087B2Strut bearing and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2021·Granted Nov 8, 2022·1 cites·6 claims
- 1084US7359051B2Multiple-wavelength spectroscopic apparatusFUJITSU LTD·Filed 2006·Granted Apr 15, 2008·12 cites·11 claims
- 1181US10749358B2Rechargeable battery protection integrated circuit, rechargeable battery protection device, and battery packMITSUMI ELECTRIC CO LTD·Filed 2018·Granted Aug 18, 2020·3 cites·17 claims
- 1280US9081069B2Protection IC and method of monitoring a battery voltageSHIBATA KOHEI·Filed 2014·Granted Jul 14, 2015·4 cites·6 claims
- 1379US7636503B2Wavelength selective switchFUJITSU LTD·Filed 2008·Granted Dec 22, 2009·9 cites·8 claims
- 1478US10578885B2Polarization coupling device and optical modulation deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Mar 3, 2020·2 cites·6 claims
- 1577US7424183B2Collimator array and method for manufacturing the sameFUJITSU LTD·Filed 2005·Granted Sep 9, 2008·8 cites·22 claims
- 1676US7340128B2Wavelength selection deviceFUJITSU LTD·Filed 2006·Granted Mar 4, 2008·8 cites·8 claims
- 1774US10622819B2Rechargeable battery protection integrated circuit, rechargeable battery protection device, and battery packMITSUMI ELECTRIC CO LTD·Filed 2019·Granted Apr 14, 2020·0 cites·14 claims
- 1874US8477409B2PLC-type delay demodulation circuit and PLC-type optical interferometerKAWASHIMA HIROSHI·Filed 2012·Granted Jul 2, 2013·3 cites·16 claims
- 1972US10630389B2Optical transceiver device and optical transceiver module that includes optical transceiver deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2019·Granted Apr 21, 2020·2 cites·8 claims
- 2072US9461754B2Optical receiving apparatus, optical transmitter and receiver module, and optical transmitting and receiving apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Oct 4, 2016·3 cites·7 claims
- 2171US6252458B1Differential amplifierFUJITSU LTD·Filed 1999·Granted Jun 26, 2001·29 cites·14 claims
- 2270US10498149B2Rechargeable battery protection integrated circuit, rechargeable battery protection device, and battery packSHIBATA KOHEI·Filed 2018·Granted Dec 3, 2019·1 cites·20 claims
- 2369US12025509B2Temperature measurement circuit and temperature measurement deviceSHIBATA KOHEI·Filed 2021·Granted Jul 2, 2024·0 cites·20 claims
- 2469US6292058B1Signal amplifying circuit connected to a transfer circuit having a known non-linear transfer characteristicFUJITSU LTD·Filed 1999·Granted Sep 18, 2001·22 cites·20 claims
- 2568US10074875B2Protection circuit for secondary battery, battery protection module, battery pack, and methodSHIBATA KOHEI·Filed 2014·Granted Sep 11, 2018·5 cites·6 claims
- 2668US7263254B2Optical switch and control method thereforFUJITSU LTD·Filed 2005·Granted Aug 28, 2007·4 cites·21 claims
- 2767US7386206B2Optical device with slab waveguide and channel waveguides on substrateFUJITSU LTD·Filed 2003·Granted Jun 10, 2008·9 cites·13 claims
- 2866US7239770B2Optical deviceFUJITSU LTD·Filed 2005·Granted Jul 3, 2007·3 cites·6 claims
- 2965US9048672B2Semiconductor integrated circuit, protection circuit and battery packSHIBATA KOHEI·Filed 2012·Granted Jun 2, 2015·2 cites·15 claims
- 3063US11101672B2Secondary battery protection apparatusSHIBATA KOHEI·Filed 2020·Granted Aug 24, 2021·0 cites·10 claims
- 3162US8125942B2MIMO wireless communicationHORIKOSHI HIDETO·Filed 2007·Granted Feb 28, 2012·3 cites·20 claims
- 3262US2025092213A1Resin regeneration method and resin regeneration apparatusHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3361US9638861B2Optical transmitterFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted May 2, 2017·1 cites·7 claims
- 3461US9417686B2Method for controlling power on a computer system having a network device and a wakeup functionTSUKAMOTO YASUMICHI·Filed 2010·Granted Aug 16, 2016·1 cites·16 claims
- 3561US7428355B2Wavelength selective and level adjusting optical deviceFUJITSU LTD·Filed 2007·Granted Sep 23, 2008·2 cites·1 claims
- 3661US2024361390A1Power supply circuit, voltage monitoring circuit, and power supply deviceSHIBATA KOHEI·Filed 2024·Application pending·0 cites
- 3760US7580599B2Optical switch and MEMS packageFUJITSU LTD·Filed 2008·Granted Aug 25, 2009·2 cites·9 claims
- 3860US6847759B2Wavelength dispersion compensating filterFUJITSU LTD·Filed 2003·Granted Jan 25, 2005·6 cites·14 claims
- 3959US12031583B2Strut bearing device, vehicle strut suspension, producing method of lower case and seal of strut bearing device, and producing method of upper case and seal of strut bearing deviceNAKANISHI METAL WORKS CO·Filed 2022·Granted Jul 9, 2024·0 cites·4 claims
- 4059US11597036B2Optical module and manufacturing method thereofFUJITSU OPTICAL COMPONENTS LTD·Filed 2019·Granted Mar 7, 2023·0 cites·14 claims
- 4158US10465767B2ActuatorASMO CO LTD·Filed 2017·Granted Nov 5, 2019·0 cites·3 claims
- 4255US8243372B2Optical apparatus and optical transmission apparatusAOTA HIROFUMI·Filed 2009·Granted Aug 14, 2012·1 cites·14 claims
- 4355US7653273B2Optical switchFUJITSU LTD·Filed 2005·Granted Jan 26, 2010·1 cites·22 claims
- 4455US7231111B2Tunable dispersion compensatorFUJITSU LTD·Filed 2004·Granted Jun 12, 2007·4 cites·16 claims
- 4554US9397756B2Optical receiverFUJITSU OPTICAL COMPONENTS LTD·Filed 2014·Granted Jul 19, 2016·0 cites·8 claims
- 4653US8285088B2Wavelength selective switchAOTA HIROFUMI·Filed 2008·Granted Oct 9, 2012·1 cites·10 claims
- 4751US11371563B2Strut bearing and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2021·Granted Jun 28, 2022·0 cites·3 claims
- 4851US10811888B2Secondary battery protection system and method for protecting secondary batterySHIBATA KOHEI·Filed 2016·Granted Oct 20, 2020·0 cites·15 claims
- 4951US2025116297A1Strut bearing device and vehicle strut suspensionNAKANISHI METAL WORKS CO·Filed 2024·Application pending·0 cites
- 5049US9864147B2Optical modulator moduleFUJITSU OPTICAL COMPONENTS LTD·Filed 2016·Granted Jan 9, 2018·0 cites·12 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →