Inventor
NAKAHARA MOTOHIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHARA MOTOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
8 patentsUS6304687B1Oct 16, 2001
Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE82 citations95
US4618354AOct 21, 1986
Method, apparatus and burner for fabricating an optical fiber preform
NIPPON TELEGRAPH & TELEPHONE53 citations95
US4812155AMar 14, 1989
Method for production of glass preform for optical fibers
NIPPON TELEGRAPH & TELEPHONE29 citations92
US4801322AJan 31, 1989
Method, apparatus and burner for fabricating an optical fiber preform
NIPPON TELEGRAPH & TELEPHONE38 citations92
US4414012ANov 8, 1983
Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass
NIPPON TELEGRAPH & TELEPHONE45 citations91
US4367085AJan 4, 1983
Method of fabricating multi-mode optical fiber preforms
NIPPON TELEGRAPH & TELEPHONE45 citations91
US4419116ADec 6, 1983
Process for producing optical fiber preform and apparatus therefor
NIPPON TELEGRAPH & TELEPHONE21 citations82
US4421540ADec 20, 1983
System for producing an optical fiber preform with gas volume control
NIPPON TELEGRAPH & TELEPHONE26 citations81
NAKAHARA OPTO ELECTRONICS LABORATORIES INC
4 patentsUS11314019B2Apr 26, 2022
Capillary-type lens array and capillary-type lens array composite component
NAKAHARA OPTO ELECTRONICS LABORATORIES INC0 citations59
US11262504B2Mar 1, 2022
Optical connection apparatus
NAKAHARA OPTO ELECTRONICS LABORATORIES INC0 citations59
US11513296B2Nov 29, 2022
Optical component, optical connection component with graded index lens, and method of manufacturing optical component
NAKAHARA OPTO ELECTRONICS LABORATORIES INC0 citations49
US11021388B2Jun 1, 2021
Perforated quartz glass tube and method for manufacturing perforated quartz glass tube
NAKAHARA OPTO ELECTRONICS LABORATORIES INC0 citations49