Kazuhiko Nishiyama

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber for long period grating, long period grating componen...
- Patent number 7,362,939
- Issue date Apr 22, 2008
- The Furukawa Electric Co., Ltd.
- Toshiaki Tsuda
- G02 - OPTICS
Information Patent Grant
Apparatus for processing and printing document
- Patent number 4,948,283
- Issue date Aug 14, 1990
- Hitachi, Ltd.
- Katsumi Imaizumi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber for long period grating, long period grating componen...
- Publication number 20060140559
- Publication date Jun 29, 2006
- Toshiaki Tsuda
- G02 - OPTICS