Hirobumi Watanabe

Follow

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical path switching signal transmission/reception apparatus and...
- Patent number 8,798,465
- Issue date Aug 5, 2014
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Norio Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-path-switching apparatus and light signal optical-path-swit...
- Patent number 8,659,818
- Issue date Feb 25, 2014
- National Institute of Advanced Industrial Science and Technology
- Ichiro Ueno
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL-PATH-SWITCHING APPARATUS AND LIGHT SIGNAL OPTICAL-PATH-SWIT...
- Publication number 20130057945
- Publication date Mar 7, 2013
- INTER ENERGY CO., LTD.
- Ichiro Ueno
- G02 - OPTICS