Motohiro Nakahara

Person

Mito, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical component, optical connection component with graded index l...
- Patent number 11,513,296
- Issue date Nov 29, 2022
- NAKAHARA OPTO-ELECTRONICS
- Motohiro Nakahara
- G02 - OPTICS
Information Patent Grant
Capillary-type lens array and capillary-type lens array composite c...
- Patent number 11,314,019
- Issue date Apr 26, 2022
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Motohiro Nakahara
- G02 - OPTICS
Information Patent Grant
Optical connection apparatus
- Patent number 11,262,504
- Issue date Mar 1, 2022
- NAKAHARA OPTO-ELECTRONICS
- Motohiro Nakahara
- G02 - OPTICS
Information Patent Grant
Perforated quartz glass tube and method for manufacturing perforate...
- Patent number 11,021,388
- Issue date Jun 1, 2021
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Motohiro Nakahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber member and optical fiber holder
- Patent number 10,921,522
- Issue date Feb 16, 2021
- TDK Corporation
- Hiroki Hara
- G02 - OPTICS
Information Patent Grant
Optical waveguide circuit, its manufacturing method and optical wav...
- Patent number 6,304,687
- Issue date Oct 16, 2001
- Nippon Telegraph and Telephone Corporation
- Yasuyuki Inoue
- G02 - OPTICS
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 4,902,325
- Issue date Feb 20, 1990
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for production of glass preform for optical fibers
- Patent number 4,812,155
- Issue date Mar 14, 1989
- Nippon Telegraph & Telephone Public Corporation
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Quartz glass optical fiber
- Patent number 4,804,247
- Issue date Feb 14, 1989
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- G02 - OPTICS
Information Patent Grant
Method, apparatus and burner for fabricating an optical fiber preform
- Patent number 4,801,322
- Issue date Jan 31, 1989
- Nippon Telegraph & Telephone Corporation
- Hiroyuki Suda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method, apparatus and burner for fabricating an optical fiber preform
- Patent number 4,618,354
- Issue date Oct 21, 1986
- Nippon Telegraph & Telephone Public Corporation
- Hiroyuki Suda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Raw material supply device
- Patent number 4,545,801
- Issue date Oct 8, 1985
- Sumitomo Electric Industries, Ltd.
- Tetsuo Miyajiri
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
System for producing an optical fiber preform with gas volume control
- Patent number 4,421,540
- Issue date Dec 20, 1983
- Nippon Telegraph & Telephone Public Corporation
- Motohiro Nakahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing optical fiber preform and apparatus therefor
- Patent number 4,419,116
- Issue date Dec 6, 1983
- Nippon Telegraph & Telephone Public Corporation
- Motohiro Nakahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fabrication methods of doped silica glass and optical fiber preform...
- Patent number 4,414,012
- Issue date Nov 8, 1983
- Nippon Telegraph & Telephone Public Corporation
- Shoichi Suto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of fabricating multi-mode optical fiber preforms
- Patent number 4,367,085
- Issue date Jan 4, 1983
- Nippon Telegraph & Telephone Public Corporation
- Shoichi Suto
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL COMBINER
- Publication number 20220214554
- Publication date Jul 7, 2022
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Koichi ARISHIMA
- G02 - OPTICS
Information Patent Application
CAPILLARY-TYPE LENS ARRAY AND CAPILLARY-TYPE LENS ARRAY COMPOSITE C...
- Publication number 20210325611
- Publication date Oct 21, 2021
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Motohiro NAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL COMPONENT, OPTICAL CONNECTION COMPONENT WITH GRADED INDEX L...
- Publication number 20210109291
- Publication date Apr 15, 2021
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Motohiro NAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTION APPARATUS
- Publication number 20210103104
- Publication date Apr 8, 2021
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC
- Motohiro NAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER MEMBER AND OPTICAL FIBER HOLDER
- Publication number 20200049888
- Publication date Feb 13, 2020
- TDK Corporation
- Hiroki HARA
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLING DEVICE AND METHOD FOR PRODUCING SAME
- Publication number 20200041723
- Publication date Feb 6, 2020
- TDK CORPORATION
- Motohiro NAKAHARA
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLING DEVICE
- Publication number 20190391333
- Publication date Dec 26, 2019
- TDK CORPORATION
- Motohiro NAKAHARA
- G02 - OPTICS
Information Patent Application
PERFORATED QUARTZ GLASS TUBE AND METHOD FOR MANUFACTURING PERFORATE...
- Publication number 20180079676
- Publication date Mar 22, 2018
- NAKAHARA OPTO-ELECTRONICS LABORATORIES, INC.
- Motohiro NAKAHARA
- G02 - OPTICS

Motohiro Nakahara

Person

Patents Grantslast 30 patents

Optical component, optical connection component with graded index l...

Capillary-type lens array and capillary-type lens array composite c...

Optical connection apparatus

Perforated quartz glass tube and method for manufacturing perforate...

Optical fiber member and optical fiber holder

Optical waveguide circuit, its manufacturing method and optical wav...

Method for producing glass preform for optical fiber

Method for production of glass preform for optical fibers

Quartz glass optical fiber

Method, apparatus and burner for fabricating an optical fiber preform

Method, apparatus and burner for fabricating an optical fiber preform

Raw material supply device

System for producing an optical fiber preform with gas volume control

Process for producing optical fiber preform and apparatus therefor

Fabrication methods of doped silica glass and optical fiber preform...

Method of fabricating multi-mode optical fiber preforms

Patents Applicationslast 30 patents

OPTICAL COMBINER

CAPILLARY-TYPE LENS ARRAY AND CAPILLARY-TYPE LENS ARRAY COMPOSITE C...

OPTICAL COMPONENT, OPTICAL CONNECTION COMPONENT WITH GRADED INDEX L...

OPTICAL CONNECTION APPARATUS

OPTICAL FIBER MEMBER AND OPTICAL FIBER HOLDER

OPTICAL COUPLING DEVICE AND METHOD FOR PRODUCING SAME

OPTICAL COUPLING DEVICE

PERFORATED QUARTZ GLASS TUBE AND METHOD FOR MANUFACTURING PERFORATE...