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Hirotaka YAMAMOTO
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wiping device
Patent number
11,390,085
Issue date
Jul 19, 2022
Riso Kagaku Corporation
Katsuhiko Matsunaga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet printing apparatus
Patent number
10,759,170
Issue date
Sep 1, 2020
Riso Kagaku Corporation
Hirotaka Yamamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and device for producing decorative article, and decorative...
Patent number
10,293,599
Issue date
May 21, 2019
Riso Kagaku Corporation
Hirotaka Yamamoto
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous inkjet ink for humidity-conditioning base material and meth...
Patent number
10,017,654
Issue date
Jul 10, 2018
Riso Kagaku Corporation
Sayako Arai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Surface treatment liquid for porous sound-absorbing material, aqueo...
Patent number
9,937,709
Issue date
Apr 10, 2018
Riso Kagaku Corporation
Sayako Arai
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
WIPING DEVICE
Publication number
20210023846
Publication date
Jan 28, 2021
Riso Kagaku Corporation
Katsuhiko MATSUNAGA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK JET PRINTING APPARATUS
Publication number
20190232662
Publication date
Aug 1, 2019
Riso Kagaku Corporation
Hirotaka YAMAMOTO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
AQUEOUS INKJET INK FOR HUMIDITY-CONDITIONING BASE MATERIAL AND METH...
Publication number
20160319145
Publication date
Nov 3, 2016
Riso Kagaku Corporation
Sayako ARAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
SURFACE TREATMENT LIQUID FOR POROUS SOUND-ABSORBING MATERIAL, AQUEO...
Publication number
20160318299
Publication date
Nov 3, 2016
Riso Kagaku Corporation
Sayako ARAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
AQUEOUS INKJET INK FOR HUMIDITY-CONDITIONING BASE MATERIAL AND METH...
Publication number
20160319142
Publication date
Nov 3, 2016
Riso Kagaku Corporation
Sayako ARAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD AND DEVICE FOR PRODUCING DECORATIVE ARTICLE, AND DECORATIVE...
Publication number
20160229177
Publication date
Aug 11, 2016
RISO KAGAKU CORPORATION
Hirotaka YAMAMOTO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS