Inventor · disambiguated record
Motohiro Nakahara
Also filed as: NAKAHARA MOTOHIRO
16 granted patents·3 pending applications·425 citations·filing 1980–2020
94Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE8NAKAHARA OPTO ELECTRONICS LABORATORIES INC5SUMITOMO ELECTRIC INDUSTRIES3TDK CORP3
Top patents by PatentIndex Score
19 records- 0194US4618354AMethod, apparatus and burner for fabricating an optical fiber preformNIPPON TELEGRAPH & TELEPHONE·Filed 1985·Granted Oct 21, 1986·53 cites·10 claims
- 0292US4414012AFabrication methods of doped silica glass and optical fiber preform by using the doped silica glassNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Nov 8, 1983·45 cites·17 claims
- 0391US4545801ARaw material supply deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1984·Granted Oct 8, 1985·46 cites·7 claims
- 0491US4367085AMethod of fabricating multi-mode optical fiber preformsNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Jan 4, 1983·45 cites·10 claims
- 0590US4801322AMethod, apparatus and burner for fabricating an optical fiber preformNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Jan 31, 1989·38 cites·3 claims
- 0686US6304687B1Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Oct 16, 2001·82 cites·28 claims
- 0783US4812155AMethod for production of glass preform for optical fibersNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Mar 14, 1989·29 cites·6 claims
- 0881US4421540ASystem for producing an optical fiber preform with gas volume controlNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Dec 20, 1983·26 cites·5 claims
- 0975US4419116AProcess for producing optical fiber preform and apparatus thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Dec 6, 1983·21 cites·3 claims
- 1072US10921522B2Optical fiber member and optical fiber holderTDK CORP·Filed 2018·Granted Feb 16, 2021·2 cites·10 claims
- 1171US4804247AQuartz glass optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Feb 14, 1989·28 cites·6 claims
- 1257US11262504B2Optical connection apparatusNAKAHARA OPTO ELECTRONICS LABORATORIES INC·Filed 2020·Granted Mar 1, 2022·0 cites·8 claims
- 1354US11314019B2Capillary-type lens array and capillary-type lens array composite componentNAKAHARA OPTO ELECTRONICS LABORATORIES INC·Filed 2018·Granted Apr 26, 2022·0 cites·11 claims
- 1447US4902325AMethod for producing glass preform for optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1986·Granted Feb 20, 1990·10 cites·5 claims
- 1544US11021388B2Perforated quartz glass tube and method for manufacturing perforated quartz glass tubeNAKAHARA OPTO ELECTRONICS LABORATORIES INC·Filed 2016·Granted Jun 1, 2021·0 cites·5 claims
- 1642US2022214554A1Optical combinerNAKAHARA OPTO ELECTRONICS LABORATORIES INC·Filed 2020·Application pending·0 cites
- 1741US11513296B2Optical component, optical connection component with graded index lens, and method of manufacturing optical componentNAKAHARA OPTO ELECTRONICS LABORATORIES INC·Filed 2019·Granted Nov 29, 2022·0 cites·5 claims
- 1839US2020041723A1Optical coupling device and method for producing sameTDK CORP·Filed 2018·Application pending·0 cites
- 1939US2019391333A1Optical coupling deviceTDK CORP·Filed 2018·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Motohiro Nakahara 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 →