Yoshio Fujiwara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production process for 5-alkyl-oxazolidin-2,4-dione
- Patent number 6,953,859
- Issue date Oct 11, 2005
- Showa Denko K.K.
- Akira Shibuya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ascorbic acid-2-phosphoric ester salts
- Patent number 6,344,567
- Issue date Feb 5, 2002
- Showa Denko Kabushiki Kaisha
- Yoshio Fujiwara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Printing paper, dye-receiving layer forming composition for prepari...
- Patent number 6,281,270
- Issue date Aug 28, 2001
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing paper, dye-receiving layer forming composition for prepari...
- Patent number 6,177,501
- Issue date Jan 23, 2001
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing paper, dye-receiving layer forming composition for prepari...
- Patent number 6,063,836
- Issue date May 16, 2000
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Hydrophobic cationic dyes and thermal transfer ink ribbons using th...
- Patent number 5,883,232
- Issue date Mar 16, 1999
- Sony Corporation
- Masanobu Hida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Hydrophobic cationic dyes and thermal transfer ink ribbons using th...
- Patent number 5,834,600
- Issue date Nov 10, 1998
- Sony Corporation
- Masanobu Hida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer recording medium
- Patent number 5,688,737
- Issue date Nov 18, 1997
- Sony Corporation
- Tetsuya Abe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing sheet and manufacturing method therefor
- Patent number 5,665,676
- Issue date Sep 9, 1997
- Sony Corporation
- Yoshinori Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image displaying device
- Patent number 5,608,474
- Issue date Mar 4, 1997
- Sony Corporation
- Yoshio Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet capable of releasing a thermal transfer image-receiving layer...
- Patent number 5,589,435
- Issue date Dec 31, 1996
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing paper, dye-receiving layer forming composition for prepari...
- Patent number 5,560,996
- Issue date Oct 1, 1996
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording medium for heat sensitive transfer printing
- Patent number 5,547,739
- Issue date Aug 20, 1996
- Sony Corporation
- Kengo Ito
- B32 - LAYERED PRODUCTS
Information Patent Grant
Composition for fixing water-color ink, cover film for thermal tran...
- Patent number 5,543,453
- Issue date Aug 6, 1996
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing sheet comprising a dye receiving layer made of an isocyana...
- Patent number 5,470,818
- Issue date Nov 28, 1995
- Sony Corporation
- Yoshinori Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing sheet and manufacturing method therefor
- Patent number 5,470,817
- Issue date Nov 28, 1995
- Sony Corporation
- Yoshinori Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Composition for fixing water-color ink, cover film for thermal tran...
- Patent number 5,462,910
- Issue date Oct 31, 1995
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Sheet capable of releasing a thermal transfer image-receiving layer...
- Patent number 5,446,012
- Issue date Aug 29, 1995
- Sony Corporation
- Kengo Ito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Video tape recorder monitors recording errors and rerecords video s...
- Patent number 5,402,271
- Issue date Mar 28, 1995
- Sony Corporation
- Kozo Kaminaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermal transfer system, printing paper and ink ribbon for the ther...
- Patent number 5,393,725
- Issue date Feb 28, 1995
- Sony Corporation
- Tetsuya Abe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Alkaline protease having stability in solution with anionic surfact...
- Patent number 5,387,518
- Issue date Feb 7, 1995
- Showa Denko K.K.
- Toyoji Sawayanagi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Dye receiving paper for thermal transfer printing of video signals
- Patent number 5,362,702
- Issue date Nov 8, 1994
- Sony Corporation
- Huy Sam
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Video tape that records, plays back, and rerecords video signals to...
- Patent number 5,343,334
- Issue date Aug 30, 1994
- Sony Corporation
- Kozo Kaminaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Cyan dyes
- Patent number 5,292,905
- Issue date Mar 8, 1994
- Sony Corporation
- Toshihisa Inoue
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer ink sheet
- Patent number 5,277,992
- Issue date Jan 11, 1994
- Sony Corporation
- Satoru Shinohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing sheet for video images
- Patent number 5,278,130
- Issue date Jan 11, 1994
- Sony Corporation
- Hitoshi Arita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat transfer ink ribbon
- Patent number 5,238,727
- Issue date Aug 24, 1993
- Sony Corporation
- Tetsuya Abe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cover film for hard copy printing paper
- Patent number 4,977,136
- Issue date Dec 11, 1990
- Sony Corporation
- Yoshio Fujiwara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrically conductive adhesive sheet, circuit board and electrica...
- Patent number 4,735,847
- Issue date Apr 5, 1988
- Sony Corporation
- Yoshio Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sublimation transfer system color hard copy printing paper
- Patent number 4,721,703
- Issue date Jan 26, 1988
- Sony Corporation
- Naotake Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PLANT CULTIVATION METHOD AND PLANT-VITALIZING AGENT
- Publication number 20230309458
- Publication date Oct 5, 2023
- SHOWA DENKO K.K.
- Makoto SAITO
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Crosslinked polymer having phthalocyanine bonded thereto
- Publication number 20070106033
- Publication date May 10, 2007
- Etsuo Fujimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ascorbic acid 2-phosphate metal salt with low calcium content
- Publication number 20040092485
- Publication date May 13, 2004
- Yoshio Fujiwara
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Production process for 5-alkyl-oxazolidin-2,4-dione
- Publication number 20030181729
- Publication date Sep 25, 2003
- Akira Shibuya
- C07 - ORGANIC CHEMISTRY

Yoshio Fujiwara

Person

Patents Grantslast 30 patents

Production process for 5-alkyl-oxazolidin-2,4-dione

Process for producing ascorbic acid-2-phosphoric ester salts

Printing paper, dye-receiving layer forming composition for prepari...

Printing paper, dye-receiving layer forming composition for prepari...

Printing paper, dye-receiving layer forming composition for prepari...

Hydrophobic cationic dyes and thermal transfer ink ribbons using th...

Hydrophobic cationic dyes and thermal transfer ink ribbons using th...

Thermal transfer recording medium

Printing sheet and manufacturing method therefor

Image displaying device

Sheet capable of releasing a thermal transfer image-receiving layer...

Printing paper, dye-receiving layer forming composition for prepari...

Recording medium for heat sensitive transfer printing

Composition for fixing water-color ink, cover film for thermal tran...

Printing sheet comprising a dye receiving layer made of an isocyana...

Printing sheet and manufacturing method therefor

Composition for fixing water-color ink, cover film for thermal tran...

Sheet capable of releasing a thermal transfer image-receiving layer...

Video tape recorder monitors recording errors and rerecords video s...

Thermal transfer system, printing paper and ink ribbon for the ther...

Alkaline protease having stability in solution with anionic surfact...

Dye receiving paper for thermal transfer printing of video signals

Video tape that records, plays back, and rerecords video signals to...

Cyan dyes

Thermal transfer ink sheet

Printing sheet for video images

Heat transfer ink ribbon

Cover film for hard copy printing paper

Electrically conductive adhesive sheet, circuit board and electrica...

Sublimation transfer system color hard copy printing paper

Patents Applicationslast 30 patents

PLANT CULTIVATION METHOD AND PLANT-VITALIZING AGENT

Crosslinked polymer having phthalocyanine bonded thereto

Ascorbic acid 2-phosphate metal salt with low calcium content

Production process for 5-alkyl-oxazolidin-2,4-dione