Nobuko Akiba

Person

Osaka, JP

People

Patents Grantslast 30 patents

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
Naphthoquinone derivative and electrophotosensitive material using...
- Patent number 6,395,439
- Issue date May 28, 2002
- Kyocera Mita Corporation
- Fumio Sugai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative
- Patent number 5,977,389
- Issue date Nov 2, 1999
- Mita Industrial Co., Ltd.
- Hideki Okada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthoquinone derivative and electrophotographic material using th...
- Patent number 5,976,742
- Issue date Nov 2, 1999
- Mita Industrial Co., Ltd.
- Fumio Sugai
- 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
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

Nobuko Akiba

Person

Patents Grantslast 30 patents

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

Naphthoquinone derivative and electrophotosensitive material using...

Naphthoquinone derivative

Naphthoquinone derivative and electrophotographic material using th...

Tryptanthrine compounds

Tryptoanthrinimine derivative and electrophotosensitive material us...

Trinitrofluoroenonimine derivative and electrophotosensitive materi...

Tryptoanthorine derivative contained in electrophotosensitive material