Akihiro Imai

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,316,577
- Issue date Nov 13, 2001
- Hodogaya Chemical Co., Ltd.
- Tomoyuki Shimada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,069,224
- Issue date May 30, 2000
- Ricoh Company, Ltd.
- Chihaya Adachi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,027,846
- Issue date Feb 22, 2000
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate and electrophotographic photosensitive mediu...
- Patent number 6,018,014
- Issue date Jan 25, 2000
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,910,561
- Issue date Jun 8, 1999
- Ricoh Company, Ltd.
- Chihaya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,846,680
- Issue date Dec 8, 1998
- Ricoh Company, Ltd.
- Chihaya Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic polycarbonate and electrophotographic photosensitive mediu...
- Patent number 5,840,454
- Issue date Nov 24, 1998
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor, aromatic polycarbonate resin fo...
- Patent number 5,830,980
- Issue date Nov 3, 1998
- Ricoh Company, Ltd.
- Mitsutoshi Anzai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,789,128
- Issue date Aug 4, 1998
- Ricoh Company, Ltd.
- Chihaya Adachi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,747,204
- Issue date May 5, 1998
- Ricoh Company, Ltd.
- Mitsutoshi Anzai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 5,723,243
- Issue date Mar 3, 1998
- Ricoh Company, Ltd.
- Masaomi Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Triphenylamine compound for use in electrophotographic photoconductors
- Patent number 5,672,756
- Issue date Sep 30, 1997
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and triphenylamine compound for...
- Patent number 5,604,065
- Issue date Feb 18, 1997
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Antiulcer compounds having a substituted alkynyl or quinoxaline nuc...
- Patent number 5,583,227
- Issue date Dec 10, 1996
- Mochida Pharmaceutical Co. Ltd.
- Takeshi Niho
- C07 - ORGANIC CHEMISTRY

Akihiro Imai

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Aromatic polycarbonate and electrophotographic photosensitive mediu...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Aromatic polycarbonate and electrophotographic photosensitive mediu...

Electrophotographic photoconductor, aromatic polycarbonate resin fo...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Triphenylamine compound for use in electrophotographic photoconductors

Electrophotographic photoconductor and triphenylamine compound for...

Antiulcer compounds having a substituted alkynyl or quinoxaline nuc...