Ken-ichi Nakayama

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transistor element
- Patent number 9,608,217
- Issue date Mar 28, 2017
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Ken-ichi Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current-amplifying transistor device and current-amplifying, light-...
- Patent number 8,927,972
- Issue date Jan 6, 2015
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Ken-ichi Nakayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Organic semiconductor material, organic semiconductor thin film, an...
- Patent number 8,895,963
- Issue date Nov 25, 2014
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Ken-ichi Nakayama
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
TRANSISTOR ELEMENT
- Publication number 20150325805
- Publication date Nov 12, 2015
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Ken-ichi NAKAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current-Amplifying Transistor Device and Current-Amplifying, Light-...
- Publication number 20120146011
- Publication date Jun 14, 2012
- KEN-ICHI NAKAYAMA
- Ken-ichi Nakayama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Organic semiconductor material, organic semiconductor thin film, an...
- Publication number 20120056166
- Publication date Mar 8, 2012
- DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD
- Ken-ichi Nakayama
- C07 - ORGANIC CHEMISTRY