Tosaku Okamoto

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording medium
- Patent number 5,296,440
- Issue date Mar 22, 1994
- Kanzaki Paper Manufacturing Co., Ltd.
- Nobuo Kanda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat sensitive recording material
- Patent number 5,187,143
- Issue date Feb 16, 1993
- Kanzaki Paper Manufacturing Co., Ltd.
- Kazuo Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-color heat sensitive recording material
- Patent number 4,906,604
- Issue date Mar 6, 1990
- Kanzaki Paper Manufacturing Co., Ltd.
- Tosaku Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Two-color heat-sensitive recording material with 2-hydroxy-3-naphth...
- Patent number 4,828,957
- Issue date May 9, 1989
- Kanzaki Paper Manufacturing Company, Ltd.
- Naoki Yonese
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat-sensitive diazo recording material with diphenyl alkene coupler
- Patent number 4,770,973
- Issue date Sep 13, 1988
- Kanzaki Paper Manufacturing Limited
- Nobuo Kanda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat-sensitive recording diazo material with recording sensitizer
- Patent number 4,659,643
- Issue date Apr 21, 1987
- Kanzaki Paper Manufacturing Co. Ltd.
- Katsuhiko Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat and light-sensitive recording materials with dialonium compoun...
- Patent number 4,652,512
- Issue date Mar 24, 1987
- Kanzaki Paper Manufacturing Company, Limited
- Katsuhiko Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolor record material
- Patent number 4,529,992
- Issue date Jul 16, 1985
- Kanzaki Paper Manufacturing Co., Ltd.
- Katsuhiko Ishida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive record material
- Patent number 4,510,512
- Issue date Apr 9, 1985
- Kanzaki Paper Manufacturing Company, Limited
- Tosaku Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for the production of a color developer and the obtained col...
- Patent number 4,134,847
- Issue date Jan 16, 1979
- Kanzaki Paper Manufacturing Co., Ltd.
- Shin-ichi Oda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tosaku Okamoto

Person

Patents Grantslast 30 patents

Heat-sensitive recording medium

Heat sensitive recording material

Multi-color heat sensitive recording material

Two-color heat-sensitive recording material with 2-hydroxy-3-naphth...

Heat-sensitive diazo recording material with diphenyl alkene coupler

Heat-sensitive recording diazo material with recording sensitizer

Heat and light-sensitive recording materials with dialonium compoun...

Multicolor record material

Heat-sensitive record material

Method for the production of a color developer and the obtained col...