Tsutomu Kitou

Follow

Person

Atsugi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Waveguide-type optical signal processing circuit
- Patent number 6,731,828
- Issue date May 4, 2004
- Nippon Telegraph and Telephone Corporation
- Tsutomu Kitou
- G02 - OPTICS
Information Patent Grant
Electrically controlled optical device
- Patent number 5,220,627
- Issue date Jun 15, 1993
- Nippon Telegraph & Telephone Corporation
- Kenji Kawano
- G02 - OPTICS
Information Patent Grant
Electrically controlled optical device
- Patent number 5,129,017
- Issue date Jul 7, 1992
- Nippon Telegraph and Telephone Company
- Kenji Kawano
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Waveguide-type optical signal processing circuit
- Publication number 20030012479
- Publication date Jan 16, 2003
- Nippon Telegraph and Telephone Corporation
- Tsutomu Kitou
- G02 - OPTICS