Inventor · disambiguated record
Takashi Tokuyama
Also filed as: TOKUYAMA TAKASHI
19 granted patents·5 pending applications·396 citations·filing 1973–2022
95Inventor score
Top patents by PatentIndex Score
24 records- 0190US3967310ASemiconductor device having controlled surface charges by passivation films formed thereonHITACHI LTD·Filed 1973·Granted Jun 29, 1976·47 cites·11 claims
- 0289US4565584AMethod of producing single crystal film utilizing a two-step heat treatmentHITACHI LTD·Filed 1983·Granted Jan 21, 1986·76 cites·8 claims
- 0388US4609407AMethod of making three dimensional semiconductor devices in selectively laser regrown polysilicon or amorphous silicon layersHITACHI LTD·Filed 1983·Granted Sep 2, 1986·83 cites·38 claims
- 0474US4498951AMethod of manufacturing single-crystal filmHITACHI LTD·Filed 1982·Granted Feb 12, 1985·39 cites·18 claims
- 0570US4533831ANon-mass-analyzed ion implantationHITACHI LTD·Filed 1983·Granted Aug 6, 1985·31 cites·19 claims
- 0670US4394191AStacked polycrystalline silicon film of high and low conductivity layersHITACHI LTD·Filed 1980·Granted Jul 19, 1983·33 cites·10 claims
- 0766US10287137B2Winch control apparatus and craneKOBE STEEL LTD·Filed 2018·Granted May 14, 2019·1 cites·7 claims
- 0862US4862170ADigital-analog converterMORI RYOICHI·Filed 1988·Granted Aug 29, 1989·19 cites·7 claims
- 0958US11223249B2Electric motorKOBE STEEL LTD·Filed 2020·Granted Jan 11, 2022·0 cites·10 claims
- 1055US12311964B2Questionnaire apparatus, questionnaire method, and non-transitory computer-readable storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted May 27, 2025·0 cites·7 claims
- 1155US12306015B2Notification device and method for moving body passengersTOYOTA MOTOR CO LTD·Filed 2022·Granted May 20, 2025·0 cites·9 claims
- 1255US2009306018A1Skin conditionerSOKEN KK·Filed 2009·Application pending·0 cites
- 1353US5728384AAntiulcer agentSOKEN KK·Filed 1995·Granted Mar 17, 1998·18 cites·4 claims
- 1450US2024335369A1Sebum secretion suppressorSOKEN KK·Filed 2022·Application pending·0 cites
- 1549US2004067212A1Skin conditionerSOKEN KK·Filed 2003·Application pending·0 cites
- 1647US4351674AMethod of producing a semiconductor deviceHITACHI LTD·Filed 1980·Granted Sep 28, 1982·13 cites·11 claims
- 1746US9381146B2Skin conditionerTOKUYAMA TAKASHI·Filed 2011·Granted Jul 5, 2016·0 cites·5 claims
- 1845US2004156877A1Skin conditionerSOKEN KK·Filed 2004·Application pending·0 cites
- 1944US4992792ADigital-analog converter for converting digital audio signalsMORI RYOICHI·Filed 1989·Granted Feb 12, 1991·9 cites·8 claims
- 2044US4570175AThree-dimensional semiconductor device with thin film monocrystalline member contacting substrate at a plurality of locationsHITACHI LTD·Filed 1983·Granted Feb 11, 1986·11 cites·3 claims
- 2142US2004180031A1Skin conditionerSOKEN KK·Filed 2004·Application pending·0 cites
- 2241US11001481B2Load detector, and winding apparatus for crane comprising said detectorKOBE STEEL LTD·Filed 2017·Granted May 11, 2021·0 cites·9 claims
- 2334US4662225ASeismic detectorFUJITEC CO·Filed 1985·Granted May 5, 1987·10 cites·25 claims
- 2432US5182559ADigital-analog converter with plural coefficient transversal filterALPINE ELECTRONICS INC·Filed 1991·Granted Jan 26, 1993·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →