Makoto Okawara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink composition and recording method using the same
- Patent number 5,952,048
- Issue date Sep 14, 1999
- Ricoh Company, Ltd.
- Kazuo Tsubuko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for producing a vinyl resin using a silicon oil solvent
- Patent number 5,189,102
- Issue date Feb 23, 1993
- Ricoh Company, Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Non-aqueous type resin dispersion and electrophotographic developer...
- Patent number 4,764,447
- Issue date Aug 16, 1988
- Ricoh Co., Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Non-aqueous type resin and electrophotographic developer containing...
- Patent number 4,634,651
- Issue date Jan 6, 1987
- Ricoh Co., Ltd.
- Makoto Okawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid developer for use in electrophotography
- Patent number 4,388,395
- Issue date Jun 14, 1983
- Ricoh Co., Ltd.
- Kazuo Tsubuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing an .alpha.-cyanoacrylate
- Patent number 4,328,170
- Issue date May 4, 1982
- Matsumoto Seiyaku Kogyo Kabushiki Kaisha
- Makoto Okawara
- C07 - ORGANIC CHEMISTRY

Makoto Okawara

Person

Patents Grantslast 30 patents

Ink composition and recording method using the same

Method for producing a vinyl resin using a silicon oil solvent

Non-aqueous type resin dispersion and electrophotographic developer...

Non-aqueous type resin and electrophotographic developer containing...

Liquid developer for use in electrophotography

Process for preparing an .alpha.-cyanoacrylate