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Hiroaki Umeda
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Newsprint paper
Patent number
5,698,305
Issue date
Dec 16, 1997
Nippon Paper Industries Co., Ltd.
Mamoru Suzuki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Color-developing sheet for pressure-sensitive recording sheets
Patent number
4,835,135
Issue date
May 30, 1989
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing sheet for pressure-sensitive sheets
Patent number
4,835,134
Issue date
May 30, 1989
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing sheet for pressure-sensitive recording sheets
Patent number
4,833,119
Issue date
May 23, 1989
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing agent for pressure-sensitive recording sheet and c...
Patent number
4,806,521
Issue date
Feb 21, 1989
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing agent for pressure-sensitive recording sheet and c...
Patent number
4,784,692
Issue date
Nov 15, 1988
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing agent for pressure-sensitive recording
Patent number
4,759,797
Issue date
Jul 26, 1988
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing agent for pressure-sensitive recording sheet and c...
Patent number
4,749,680
Issue date
Jun 7, 1988
Jujo Paper Co., Ltd.
Hiroaki Umeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-developing sheet for pressure-sensitive recording sheets
Patent number
4,480,260
Issue date
Oct 30, 1984
Jujo Paper Co., Ltd.
Noboru Yamato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Pressure-sensitive recording sheets
Patent number
4,473,832
Issue date
Sep 25, 1984
Jujo Paper Co., Ltd.
Noboru Yamato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for removing residual hydrogen peroxide on a sterilized food...
Patent number
4,368,081
Issue date
Jan 11, 1983
Jujo Paper Co., Ltd.
Kunio Hata
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Antibacterial agents
Patent number
4,247,569
Issue date
Jan 27, 1981
Jujo Paper Co., Ltd.
Kunio Hata
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES