Yoshinobu Nakayama

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric element driving circuit
- Patent number 8,541,925
- Issue date Sep 24, 2013
- Ricoh Company, Limited
- Yoshinobu Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic transistor, organic transistor array, and display apparatus
- Patent number 7,768,001
- Issue date Aug 3, 2010
- Ricoh Company, Ltd.
- Takumi Yamaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aryl amine polymer, thin film transistor using the new aryl amine p...
- Patent number 7,550,554
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Patent number 7,166,689
- Issue date Jan 23, 2007
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PIEZOELECTRIC ELEMENT DRIVING CIRCUIT
- Publication number 20110223044
- Publication date Sep 15, 2011
- Yoshinobu Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC TRANSISTOR, ORGANIC TRANSISTOR ARRAY, AND DISPLAY APPARATUS
- Publication number 20090014715
- Publication date Jan 15, 2009
- Takumi YAMAGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEW ARYL AMINE POLYMER, THIN FILM TRANSISTOR USING THE NEW ARYL AMI...
- Publication number 20070092760
- Publication date Apr 26, 2007
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Publication number 20040212042
- Publication date Oct 28, 2004
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...