Inventor · disambiguated record
Tsutomu Otsuka
Also filed as: OTSUKA TSUTOMU
37 granted patents·6 pending applications·119 citations·filing 1985–2025
96Inventor score
Files withFUJIFILM BUSINESS INNOVATION CORP15FUJI XEROX CO LTD12SUMIDA CORP12TOKIN CORP3TOKYO SHIBAURA ELECTRIC CO1
Top patents by PatentIndex Score
43 records- 0197US11973321B2Light emitting deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Apr 30, 2024·4 cites·8 claims
- 0297US11303097B2Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Apr 12, 2022·3 cites·14 claims
- 0396US9385268B2Method of manufacturing semiconductor chipsFUJI XEROX CO LTD·Filed 2015·Granted Jul 5, 2016·15 cites·6 claims
- 0494US11347159B2Light emitting device and rendering deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted May 31, 2022·3 cites·17 claims
- 0594US11050217B2Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 29, 2021·4 cites·13 claims
- 0693US9997363B2Method for producing semiconductor piece, circuit board and electronic device including semiconductor piece, and method for designing etching conditionFUJI XEROX CO LTD·Filed 2015·Granted Jun 12, 2018·13 cites·5 claims
- 0792US10446313B2Electronic componentSUMIDA CORP·Filed 2017·Granted Oct 15, 2019·5 cites·19 claims
- 0890US10786932B2Manufacturing method of coil component and coil componentSUMIDA CORP·Filed 2015·Granted Sep 29, 2020·3 cites·16 claims
- 0988US11556075B2Light emitting device and rendering device including a flow pathFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jan 17, 2023·2 cites·11 claims
- 1087US11289262B2Electronic componentSUMIDA CORP·Filed 2019·Granted Mar 29, 2022·2 cites·7 claims
- 1186US11732884B2Light-emitting device, optical device, and information processing device comprising plural wiring members and circuit elements on side surfaces of a light emitting element arrayFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Aug 22, 2023·2 cites·20 claims
- 1282US10617006B2Small electronic component, electronic circuit board, and method of manufacturing small electronic componentSUMIDA CORP·Filed 2016·Granted Apr 7, 2020·2 cites·11 claims
- 1381US10177532B2Light emitting element array and optical transmission deviceFUJI XEROX CO LTD·Filed 2017·Granted Jan 8, 2019·2 cites·18 claims
- 1481US9865468B2Method of positioning cutting member to semiconductor chip with groovesFUJI XEROX CO LTD·Filed 2015·Granted Jan 9, 2018·3 cites·19 claims
- 1578US12233581B2Manufacturing method of coil component and coil componentSUMIDA CORP·Filed 2022·Granted Feb 25, 2025·0 cites·9 claims
- 1678US11705695B2Light emitting deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jul 18, 2023·0 cites·16 claims
- 1778US11211774B2Light emitting device, optical device, and information processing apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Dec 28, 2021·2 cites·20 claims
- 1876US9754833B2Method for manufacturing semiconductor chip that includes dividing substrate by etching groove along cutting region of substrate combined with forming modified region by laser irradiating along cutting region in substrateFUJI XEROX CO LTD·Filed 2015·Granted Sep 5, 2017·2 cites·12 claims
- 1975US11534088B2Optical measuring apparatus and non-transitory computer readable mediumFUJIFILM BUSINESS INNOVATION CORP·Filed 2018·Granted Dec 27, 2022·2 cites·20 claims
- 2074US11312045B2Manufacturing method of coil component and coil componentSUMIDA CORP·Filed 2020·Granted Apr 26, 2022·0 cites·9 claims
- 2170US9673351B2Method of manufacturing semiconductor chipsFUJI XEROX CO LTD·Filed 2016·Granted Jun 6, 2017·1 cites·11 claims
- 2270US4898625AMethod for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powderTOKIN CORP·Filed 1989·Granted Feb 6, 1990·24 cites·22 claims
- 2369US7553562B2Composite-type magnetic core and method of manufacturing the sameSUMIDA CORP·Filed 2006·Granted Jun 30, 2009·4 cites·5 claims
- 2467US11362135B2Light emitting element array and optical transmission deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 14, 2022·0 cites·19 claims
- 2561US12379428B2Magnetic field measurement apparatus and magnetic field measurement methodSUMIDA CORP·Filed 2022·Granted Aug 5, 2025·0 cites·7 claims
- 2661US2025222632A1Manufacturing method of coil component and coil componentSUMIDA CORP·Filed 2025·Application pending·0 cites
- 2759US12443123B2Light-emitting device and drawing apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Oct 14, 2025·0 cites·10 claims
- 2859US12107396B2Light-emitting device, optical device, and information processing deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 1, 2024·0 cites·19 claims
- 2959US11599610B2Light-emitting device, optical device, and information processing apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Mar 7, 2023·0 cites·16 claims
- 3058US2016247626A1Electronic componentSUMIDA CORP·Filed 2016·Application pending·0 cites
- 3157US10438993B2Light emitting element array and optical transmission deviceFUJI XEROX CO LTD·Filed 2017·Granted Oct 8, 2019·0 cites·10 claims
- 3256US12119417B2Optical semiconductor element, optical semiconductor device, optical transmission system, and method of manufacturing optical semiconductor deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 15, 2024·0 cites·9 claims
- 3356US11539191B2Light-emitting device, optical device, and information processing apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Dec 27, 2022·0 cites·9 claims
- 3454US12140648B2Magnetic field measurement apparatus and magnetic field measurement methodSUMIDA CORP·Filed 2021·Granted Nov 12, 2024·0 cites·8 claims
- 3553US5011552AMethod for producing a rare earth metal-iron-boron permanent magnet by use of a rapidly-quenched alloy powderTOKIN CORP·Filed 1989·Granted Apr 30, 1991·12 cites·12 claims
- 3648US10484087B2Optical transmission deviceFUJI XEROX CO LTD·Filed 2017·Granted Nov 19, 2019·0 cites·14 claims
- 3744US2020274320A1Light emitter, light emitting device, optical device, and information processing apparatusFUJI XEROX CO LTD·Filed 2019·Application pending·0 cites
- 3844US2009197063A1Composite magnetic sheet and process for producing the sameSUMIDA CORP·Filed 2007·Application pending·0 cites
- 3941US2018014735A1Biometric information measuring apparatus and non-transitory computer readable storage mediumFUJI XEROX CO LTD·Filed 2017·Application pending·0 cites
- 4037US2018014731A1Biometric information measuring apparatus and non-transitory computer readable storage mediumFUJI XEROX CO LTD·Filed 2017·Application pending·0 cites
- 4135US5290425AOrganic solvent electrolyte for plating film of R2 T14 B intermetallic compound permanent magnetTOKIN CORP·Filed 1992·Granted Mar 1, 1994·4 cites·29 claims
- 4234US9508595B2Method of tip shape of cutting member, semiconductor chip manufacturing method, circuit board, and electronic apparatusFUJI XEROX CO LTD·Filed 2015·Granted Nov 29, 2016·0 cites·12 claims
- 4327US4943408AMethod and apparatus for operating nuclear electric power generating plantsTOKYO SHIBAURA ELECTRIC CO·Filed 1985·Granted Jul 24, 1990·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →