Sawako Fujioka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for processing paper sheets to decolor an image formed th...
- Patent number 6,375,742
- Issue date Apr 23, 2002
- Kabushiki Kaisha Toshiba
- Kenji Sano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of decoloring an image forming material formed on a paper sheet
- Patent number 6,277,208
- Issue date Aug 21, 2001
- Kabushiki Kaisha Toshiba
- Kenji Sano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Decolorizable ink and printer
- Patent number 6,017,386
- Issue date Jan 25, 2000
- Kabushiki Kaisha Toshiba
- Kenji Sano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Silicone polymer composition, method of forming a pattern and metho...
- Patent number 5,962,581
- Issue date Oct 5, 1999
- Kabushiki Kaisha Toshiba
- Shuzi Hayase
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Decolorizable ink and printer
- Patent number 5,922,115
- Issue date Jul 13, 1999
- Kabushiki Kaisha Toshiba
- Kenji Sano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Black coloring composition, high heat resistance light-shielding co...
- Patent number 5,907,008
- Issue date May 25, 1999
- Kabushiki Kaisha Toshiba
- Yoshihiko Nakano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reversible thermal recording medium
- Patent number 5,849,651
- Issue date Dec 15, 1998
- Kabushiki Kaisha Toshiba
- Satoshi Takayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal recording medium and recording method
- Patent number 5,663,115
- Issue date Sep 2, 1997
- Kabushiki Kaisha Toshiba
- Katsuyuki Naito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
DECOLORIZABLE INK AND PRINTER
- Publication number 20010008164
- Publication date Jul 19, 2001
- KENJI SANO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Sawako Fujioka

Person

Patents Grantslast 30 patents

Apparatus for processing paper sheets to decolor an image formed th...

Method of decoloring an image forming material formed on a paper sheet

Decolorizable ink and printer

Silicone polymer composition, method of forming a pattern and metho...

Decolorizable ink and printer

Black coloring composition, high heat resistance light-shielding co...

Reversible thermal recording medium

Thermal recording medium and recording method

Patents Applicationslast 30 patents

DECOLORIZABLE INK AND PRINTER