Kunitaka Toyofuku

Person

Sakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thermosensitive recording material
- Patent number 5,612,280
- Issue date Mar 18, 1997
- New Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,446,010
- Issue date Aug 29, 1995
- New Oji Paper Co., Ltd.
- Kunitaka Toyofuku
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,444,036
- Issue date Aug 22, 1995
- New Oil Paper Co., Ltd.
- Akiko Iwasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,384,303
- Issue date Jan 24, 1995
- New Oji Paper Co., Ltd.
- Masaki Nishimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,314,859
- Issue date May 24, 1994
- Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,312,796
- Issue date May 17, 1994
- Oji Paper Co., Ltd.
- Masaki Nishimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,292,711
- Issue date Mar 8, 1994
- Oji Paper Co., Ltd.
- Masaki Nishimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosensitive recording material
- Patent number 5,283,227
- Issue date Feb 1, 1994
- Oji Paper Co., Ltd.
- Ayako Shirai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermosensitive recording material
- Patent number 5,256,618
- Issue date Oct 26, 1993
- Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosensitive recording material
- Patent number 5,246,906
- Issue date Sep 21, 1993
- Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heat-sensitive recording material
- Patent number 5,008,236
- Issue date Apr 16, 1991
- Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive recording material
- Patent number 4,956,332
- Issue date Sep 11, 1990
- Oji Paper Co., Ltd.
- Yoshiyuki Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser-sensitive electrophotographic material
- Patent number 4,879,195
- Issue date Nov 7, 1989
- Oji Paper Co., Ltd.
- Kunitaka Toyofuku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fat-desensitizing composition for litho printing plates comprising...
- Patent number 4,834,797
- Issue date May 30, 1989
- Oji Paper Company, Ltd.
- Kunitaka Toyofuku
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photosensitive resinous materials containing stilbazolium groups
- Patent number 4,339,524
- Issue date Jul 13, 1982
- Agency of Industrial Science & Technology Ministry of International Trade and...
- Kunihiro Ichimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Kunitaka Toyofuku

Person

Patents Grantslast 30 patents

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Thermosensitive recording material

Heat-sensitive recording material

Heat-sensitive recording material

Laser-sensitive electrophotographic material

Fat-desensitizing composition for litho printing plates comprising...

Photosensitive resinous materials containing stilbazolium groups