Katsukiyo Nagai

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,194,535
- Issue date Feb 27, 2001
- Ricoh Company, Ltd.
- Akira Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,172,176
- Issue date Jan 9, 2001
- Ricoh Company, Ltd.
- Chiaki Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,130,310
- Issue date Oct 10, 2000
- Ricoh Company, Ltd.
- Akira Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,066,428
- Issue date May 23, 2000
- Ricoh Company, Ltd.
- Akira Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,045,959
- Issue date Apr 4, 2000
- Ricoh Company, Ltd.
- Akira Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,976,746
- Issue date Nov 2, 1999
- Ricoh Company, Ltd.
- Chiaki Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Katsukiyo Nagai

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...