Takeshi Kitagawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module and optical switch
- Patent number 7,974,502
- Issue date Jul 5, 2011
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wave transmission medium and waveguide circuit
- Patent number 7,397,977
- Issue date Jul 8, 2008
- Nippon Telegraph and Telephone Corporation
- Toshikazu Hashimoto
- G02 - OPTICS
Information Patent Grant
Optical module and optical switch constituting the same
- Patent number 7,206,473
- Issue date Apr 17, 2007
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module and optical switch constituting the same
- Patent number 7,177,495
- Issue date Feb 13, 2007
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module and optical switch constituting the same
- Patent number 7,116,859
- Issue date Oct 3, 2006
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module and optical switch constituting the same
- Patent number 6,999,652
- Issue date Feb 14, 2006
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide circuit
- Patent number 6,925,228
- Issue date Aug 2, 2005
- Nippon Telegraph and Telephone
- Shin Kamei
- G02 - OPTICS
Information Patent Grant
Processes for preparing oxide powders and superconducting oxides
- Patent number 5,294,599
- Issue date Mar 15, 1994
- Nippon Telegraph & Telephone Corporation
- Shuichi Shibata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE AND OPTICAL SWITCH
- Publication number 20070154137
- Publication date Jul 5, 2007
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wave transmission medium and waveguide circuit
- Publication number 20060126992
- Publication date Jun 15, 2006
- Toshikazu Hashimoto
- G02 - OPTICS
Information Patent Application
Optical module and optical switch constituting the same
- Publication number 20060034564
- Publication date Feb 16, 2006
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical module and optical switch constituting the same
- Publication number 20060034565
- Publication date Feb 16, 2006
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical module and optical switch constituting the same
- Publication number 20060034563
- Publication date Feb 16, 2006
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical module and optical switch constituting the same
- Publication number 20040086220
- Publication date May 6, 2004
- Nippon Telegraph and Telephone Corporation
- Shinji Mino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical waveguide circuit
- Publication number 20030118286
- Publication date Jun 26, 2003
- Nippon Telegraph and Telephone Corporation
- Shin Kamei
- G02 - OPTICS

Takeshi Kitagawa

Person

Patents Grantslast 30 patents

Optical module and optical switch

Wave transmission medium and waveguide circuit

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical waveguide circuit

Processes for preparing oxide powders and superconducting oxides

Patents Applicationslast 30 patents

OPTICAL MODULE AND OPTICAL SWITCH

Wave transmission medium and waveguide circuit

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical module and optical switch constituting the same

Optical waveguide circuit