Kenji Haga

Follow

Person

Aichi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light coupler and manufacturing method thereof
- Patent number 8,170,385
- Issue date May 1, 2012
- Toyoda Gosei Co., Ltd.
- Kazuhiro Terada
- G02 - OPTICS
Information Patent Grant
Optical branching-coupling device, and manufacturing method and opt...
- Patent number 7,899,287
- Issue date Mar 1, 2011
- Toyoda Gosei Co., Ltd.
- Kenji Haga
- G02 - OPTICS
Information Patent Grant
Leakage measuring apparatus
- Patent number 5,540,083
- Issue date Jul 30, 1996
- Toyoda Gosei Co., Ltd
- Takao Sato
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical communication device, method for manufacturing the same, an...
- Publication number 20120051700
- Publication date Mar 1, 2012
- Toyoda Gosei Co., Ltd.
- Kazuhiro Terada
- G02 - OPTICS
Information Patent Application
Optical branching-coupling device, and manufacturing method and opt...
- Publication number 20090324172
- Publication date Dec 31, 2009
- Toyoda Gosei Co., Ltd.
- Kenji HAGA
- G02 - OPTICS
Information Patent Application
Light coupler and manufacturing method thereof
- Publication number 20090196552
- Publication date Aug 6, 2009
- Toyoda Gosei Co., Ltd.
- Kazuhiro Terada
- G02 - OPTICS