Inventor · disambiguated record
Kenichiro Otsuka
Also filed as: OTSUKA KENICHIRO
66 granted patents·8 pending applications·267 citations·filing 1993–2024
98Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP27NIPPON STEEL CORP25SUMITOMO ELECTRIC INDUSTRIES13ASAHI OPTICAL CO LTD6SUMITOMO ELECTRIC OPTIFRONTIER CO LTD2
Top patents by PatentIndex Score
74 records- 0195US11054587B1Optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jul 6, 2021·5 cites·20 claims
- 0294US12018344B2High-strength steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Jun 25, 2024·2 cites·8 claims
- 0392US11027781B2Hot-stamping formed article, structural member using the same, and manufacturing method of hot-stamping formed articleNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jun 8, 2021·3 cites·5 claims
- 0492US10677996B2Optical connector, detaching jig, and capSEI OPTIFRONTIER CO LTD·Filed 2019·Granted Jun 9, 2020·15 cites·18 claims
- 0591US11000890B2Panel-shaped formed product and method for producing panel-shaped formed productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted May 11, 2021·3 cites·5 claims
- 0689US10682902B2Panel-like formed product, vehicle door, and method for manufacturing a panel-like formed productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jun 16, 2020·3 cites·8 claims
- 0787US12032214B2Optical communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jul 9, 2024·1 cites·13 claims
- 0887US6369886B2Pattern reading apparatusASAHI OPTICAL CO LTD·Filed 2001·Granted Apr 9, 2002·17 cites·15 claims
- 0987US5909528AOptical connector and assembly method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jun 1, 1999·85 cites·18 claims
- 1086US12084115B2Formed article, structural member using the same, and manufacturing method of formed articleNIPPON STEEL CORP·Filed 2019·Granted Sep 10, 2024·1 cites·10 claims
- 1186US10527803B1Optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jan 7, 2020·5 cites·25 claims
- 1286US2024391532A1Formed article, structural member using the same, and manufacturing method of formed articleNIPPON STEEL CORP·Filed 2024·Application pending·0 cites
- 1385US10523317B2Measurement system and measurement methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Dec 31, 2019·6 cites·13 claims
- 1484US11815723B2Optical connection structure, optical connector, and optical connecting methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Nov 14, 2023·1 cites·15 claims
- 1580US5671466AElectrophotographic apparatus and sheet guide mechanismASAHI OPTICAL CO LTD·Filed 1995·Granted Sep 23, 1997·28 cites·37 claims
- 1680US5321479AElectrophotographic apparatusASAHI OPTICAL CO LTD·Filed 1993·Granted Jun 14, 1994·26 cites·8 claims
- 1779US10898938B2Method for manufacturing panel-like formed articleNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jan 26, 2021·1 cites·9 claims
- 1879US10857858B2Door inner panel and method for manufacturing door inner panelNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Dec 8, 2020·1 cites·17 claims
- 1978US11623261B2Hot-stamping formed article, vehicle member, and manufacturing method of hot-stamping formed articleNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Apr 11, 2023·3 cites·11 claims
- 2077US11998967B2Panel-shaped formed productNIPPON STEEL CORP·Filed 2021·Granted Jun 4, 2024·0 cites·9 claims
- 2177US10758959B2Panel-like formed product and manufacturing method thereofNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Sep 1, 2020·1 cites·6 claims
- 2276US12248185B2Optical connection structure, optical connector, and optical connecting methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Granted Mar 11, 2025·0 cites·18 claims
- 2376US10768376B2Optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Sep 8, 2020·2 cites·19 claims
- 2475US10807137B2Production method for producing a press-formed productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Oct 20, 2020·1 cites·4 claims
- 2574US10022764B2Manufacturing method of press-formed member and press forming apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jul 17, 2018·2 cites·8 claims
- 2673US10265752B2Method for manufacturing press-formed product and press-forming apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Apr 23, 2019·2 cites·9 claims
- 2772US5528352AElectrophotographic apparatus having original separation meansASAHI OPTICAL CO LTD·Filed 1995·Granted Jun 18, 1996·22 cites·30 claims
- 2871US11400800B2Structural member for automobilesNIPPON STEEL CORP·Filed 2018·Granted Aug 2, 2022·2 cites·11 claims
- 2971US9839951B2Manufacturing method and manufacturing apparatus of press-formed bodyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Dec 12, 2017·2 cites·14 claims
- 3071US9199670B2Vehicle bodyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Dec 1, 2015·5 cites·19 claims
- 3170US10435081B2Joining structureNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Oct 8, 2019·2 cites·7 claims
- 3268US10717123B2Method and press-forming apparatus for manufacturing structural member for automotive bodyNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Jul 21, 2020·1 cites·16 claims
- 3365US12221661B2Steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Feb 11, 2025·0 cites·13 claims
- 3463US2024011113A1Steel sheet for hot stamping, method for manufacturing the same, hot stamped component, and method for manufacturing the sameNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 3562US10406582B2Press-forming apparatus, method for producing press-formed product using the forming apparatus, and press-formed productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Sep 10, 2019·1 cites·4 claims
- 3660US12428689B2Steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Sep 30, 2025·0 cites·16 claims
- 3760US12399336B2Optical fiber cable with partitioned case for optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Aug 26, 2025·0 cites·8 claims
- 3860US11643147B2Front pillar outerNIPPON STEEL CORP·Filed 2020·Granted May 9, 2023·0 cites·5 claims
- 3960US10695815B2Press-formed product and method for designing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jun 30, 2020·0 cites·8 claims
- 4059US10407101B2Structural memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Sep 10, 2019·1 cites·6 claims
- 4159US10363892B2Crash box and method for producing the sameNIPPON STEEL CORP·Filed 2014·Granted Jul 30, 2019·0 cites·10 claims
- 4258US10059381B2Joint structure body of membersNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Aug 28, 2018·1 cites·7 claims
- 4357US11859260B2Steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2020·Granted Jan 2, 2024·0 cites·9 claims
- 4457US2024126031A1Optical fiber cable and optical communication system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 4556US12344911B2High-strength steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Jul 1, 2025·0 cites·9 claims
- 4656US12163209B2Automobile undercarriage partNIPPON STEEL CORP·Filed 2020·Granted Dec 10, 2024·0 cites·5 claims
- 4756US11906803B2Optical fiber ribbon with intermittently coupled groups of fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Feb 20, 2024·0 cites·9 claims
- 4856US2019359157A1Crash box and method for producing the sameNIPPON STEEL CORP·Filed 2019·Application pending·0 cites
- 4955US12105339B2Wiring module, frame body for wiring module, and forming method for forming wiring moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Oct 1, 2024·0 cites·17 claims
- 5054US12209300B2Automobile undercarriage partNIPPON STEEL CORP·Filed 2020·Granted Jan 28, 2025·0 cites·3 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →