Takashi Obikawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Anthracene derivative and organic electroluminescence device using...
- Patent number 9,461,251
- Issue date Oct 4, 2016
- Idemitsu Kosan Co., Ltd.
- Masahiro Kawamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porous carbon material, adsorbent, oral adsorbent, medical adsorben...
- Patent number 9,421,515
- Issue date Aug 23, 2016
- Sony Corporation
- Makoto Yoshizaki
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Anthracene derivative and organic electroluminescence device using...
- Patent number 8,512,875
- Issue date Aug 20, 2013
- Idemitsu Kosan Co., Ltd.
- Masahiro Kawamura
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POROUS CARBON MATERIAL, ADSORBENT, ORAL ADSORBENT, MEDICAL ADSORBEN...
- Publication number 20140011666
- Publication date Jan 9, 2014
- SONY CORPORATION
- Makoto Yoshizaki
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING...
- Publication number 20130313538
- Publication date Nov 28, 2013
- SONY CORPORATION
- Masahiro KAWAMURA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING...
- Publication number 20080315754
- Publication date Dec 25, 2008
- Idemitsu Kosan Co., Ltd.
- Masahiro KAWAMURA
- C07 - ORGANIC CHEMISTRY