Hirofumi Kawaguchi

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Titanyl phthalocyanine crystal and production method of the same, a...
- Patent number 6,528,645
- Issue date Mar 4, 2003
- Kyocera Mita Corporation
- Kazunari Hamasaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Single-layer type electrophotosensitive material and image forming...
- Patent number 6,432,595
- Issue date Aug 13, 2002
- Kyocera Mita Corporation
- Hirofumi Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging method and imaging device
- Patent number 6,190,813
- Issue date Feb 20, 2001
- Kyocera Mita Corporation
- Yuji Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stilbene derivative and method of producing the same, and electroph...
- Patent number 6,177,220
- Issue date Jan 23, 2001
- Kyocera Mita Corporation
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 6,090,514
- Issue date Jul 18, 2000
- Mita Industrial Co., Ltd.
- Mikio Kakui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stilbene derivative and method for producing the same
- Patent number 6,022,998
- Issue date Feb 8, 2000
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative and electrophotosensitive material using...
- Patent number 5,994,012
- Issue date Nov 30, 1999
- Mita Industrial Co., Ltd.
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative
- Patent number 5,863,688
- Issue date Jan 26, 1999
- Mita Industrial Co., Ltd.
- Yukimasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptanthrine compounds
- Patent number 5,817,810
- Issue date Oct 6, 1998
- Mita Industrial Co., Ltd.
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptoanthrinimine derivative and electrophotosensitive material us...
- Patent number 5,773,613
- Issue date Jun 30, 1998
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Trinitrofluorenonimine derivative and electrophotosensitive materia...
- Patent number 5,753,394
- Issue date May 19, 1998
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trinitrofluoroenonimine derivative and electrophotosensitive materi...
- Patent number 5,705,694
- Issue date Jan 6, 1998
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tryptoanthorine derivative contained in electrophotosensitive material
- Patent number 5,616,441
- Issue date Apr 1, 1997
- Mita Industrial Co., Ltd.
- Hirofumi Kawaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotosensitive material
- Patent number 5,514,508
- Issue date May 7, 1996
- Mita Industrial Co., Ltd.
- Toshiyuki Fukami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hirofumi Kawaguchi

Person

Patents Grantslast 30 patents

Titanyl phthalocyanine crystal and production method of the same, a...

Single-layer type electrophotosensitive material and image forming...

Imaging method and imaging device

Stilbene derivative and method of producing the same, and electroph...

Electrophotographic photoreceptor

Stilbene derivative and method for producing the same

Naphthoquinone derivative and electrophotosensitive material using...

Naphthoquinone derivative

Tryptanthrine compounds

Tryptoanthrinimine derivative and electrophotosensitive material us...

Trinitrofluorenonimine derivative and electrophotosensitive materia...

Trinitrofluoroenonimine derivative and electrophotosensitive materi...

Tryptoanthorine derivative contained in electrophotosensitive material

Electrophotosensitive material