Toshiki Koyama

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
4-cyanocoumarin derivatives and uses thereof
- Patent number 7,375,225
- Issue date May 20, 2008
- Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
- Yoshio Taniguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Semiconductor layer, solar cell using it, and production methods an...
- Patent number 6,916,981
- Issue date Jul 12, 2005
- Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
- Fumio Matsui
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Organic semiconductor laser device
- Patent number 6,631,147
- Issue date Oct 7, 2003
- Optc Co., Ltd.
- Yoshio Taniguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
4-cyanocoumarin derivatives and uses thereof
- Patent number 6,573,380
- Issue date Jun 3, 2003
- Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
- Yoshio Taniguchi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
FUEL CELL AND ELECTRODE MATERIAL FOR FUEL CELL
- Publication number 20100196779
- Publication date Aug 5, 2010
- Toshiki Koyama
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Methods of producing composite material, filter and diffusion layer...
- Publication number 20070231470
- Publication date Oct 4, 2007
- Shinano Kenshi Kabushiki Kaisha
- Toshiki Koyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Solar cell
- Publication number 20040074531
- Publication date Apr 22, 2004
- Fumio Matsui
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
4-cyanocoumarin derivatives and uses thereof
- Publication number 20030176520
- Publication date Sep 18, 2003
- KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
- Yoshio Taniguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Semiconductor layer, solar cell using it,and production methods and...
- Publication number 20030155583
- Publication date Aug 21, 2003
- Fumio Matsui
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ORGANIC SEMICONDUCTOR LASER DEVICE
- Publication number 20030103537
- Publication date Jun 5, 2003
- YOSHIO TANIGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
4-cyanocoumarin derivatives and uses thereof
- Publication number 20020052501
- Publication date May 2, 2002
- KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
- Yoshio Taniguchi
- C07 - ORGANIC CHEMISTRY

Toshiki Koyama

Person

Patents Grantslast 30 patents

4-cyanocoumarin derivatives and uses thereof

Semiconductor layer, solar cell using it, and production methods an...

Organic semiconductor laser device

4-cyanocoumarin derivatives and uses thereof

Patents Applicationslast 30 patents

FUEL CELL AND ELECTRODE MATERIAL FOR FUEL CELL

Methods of producing composite material, filter and diffusion layer...

Solar cell

4-cyanocoumarin derivatives and uses thereof

Semiconductor layer, solar cell using it,and production methods and...

ORGANIC SEMICONDUCTOR LASER DEVICE

4-cyanocoumarin derivatives and uses thereof