Toshifumi Watanabe

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module and manufacturing method therefor
- Patent number 7,076,135
- Issue date Jul 11, 2006
- Nippon Telegraph and Telephone Corporation
- Koji Yamada
- G02 - OPTICS
Information Patent Grant
Thresholding method for segmenting gray scale image, method for det...
- Patent number 5,555,318
- Issue date Sep 10, 1996
- Nippon Telegraph & Telephone Corporation
- Minoru Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thresholding method for segmenting gray scale image, method for det...
- Patent number 5,506,917
- Issue date Apr 9, 1996
- Nippon Telegraph & Telephone Corporation
- Minoru Ito
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Optical module and manufacturing method therefor
- Publication number 20040057667
- Publication date Mar 25, 2004
- Koji Yamada
- G02 - OPTICS