Norio Takato

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Y branch circuit and method for manufacturing the same
- Patent number 7,499,613
- Issue date Mar 3, 2009
- NTT Electronics Corporation
- Yasuhiro Hida
- G02 - OPTICS
Information Patent Grant
Optical element module with a primary coated optical fiber
- Patent number 7,086,789
- Issue date Aug 8, 2006
- NTT Electronics Corporation
- Nobuo Tomita
- G02 - OPTICS
Information Patent Grant
Integrated optical waveguide circuit and optical branch line test s...
- Patent number 5,546,483
- Issue date Aug 13, 1996
- Nippon Telegraph & Telephone Corporation
- Yasuyuki Inoue
- G02 - OPTICS
Information Patent Grant
Guided-wave optical branching components and optical switches
- Patent number 5,044,715
- Issue date Sep 3, 1991
- Nippon Telegraph & Telephone Corporation
- Masao Kawachi
- G02 - OPTICS
Information Patent Grant
Integrated optical device and method for manufacturing thereof
- Patent number 4,978,188
- Issue date Dec 18, 1990
- Nippon Telegraph & Telephone Corporation
- Masao Kawachi
- G02 - OPTICS
Information Patent Grant
Integrated optical device and method for manufacturing thereof
- Patent number 4,900,112
- Issue date Feb 13, 1990
- Nippon Telegraph & Telephone Corporation
- Masao Kawachi
- G02 - OPTICS
Information Patent Grant
Single mode channel optical waveguide with a stress-induced birefri...
- Patent number 4,781,424
- Issue date Nov 1, 1988
- Nippon Telegraph & Telephone Corporation
- Masao Kawachi
- G02 - OPTICS
Information Patent Grant
Coordinate input apparatus
- Patent number 4,320,292
- Issue date Mar 16, 1982
- Nippon Telegraph & Telephone Public Corporation
- Shigeru Oikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Polymer optical circuit with optical lead-fibers and method of fabr...
- Patent number 4,240,849
- Issue date Dec 23, 1980
- Nippon Telegraph & Telephone Public Corporation
- Takashi Kurokawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Y branch circuit and method for manufacturing the same
- Publication number 20060278960
- Publication date Dec 14, 2006
- Nippon Telegraph and Telephone Corporation
- Yasuhiro Hida
- G02 - OPTICS
Information Patent Application
Optical element module
- Publication number 20040202434
- Publication date Oct 14, 2004
- Nobuo Tomita
- G02 - OPTICS

Norio Takato

Person

Patents Grantslast 30 patents

Y branch circuit and method for manufacturing the same

Optical element module with a primary coated optical fiber

Integrated optical waveguide circuit and optical branch line test s...

Guided-wave optical branching components and optical switches

Integrated optical device and method for manufacturing thereof

Integrated optical device and method for manufacturing thereof

Single mode channel optical waveguide with a stress-induced birefri...

Coordinate input apparatus

Polymer optical circuit with optical lead-fibers and method of fabr...

Patents Applicationslast 30 patents

Y branch circuit and method for manufacturing the same

Optical element module