Shoko Matsumoto

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Tokyo-to, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-based ink composition
- Patent number 8,080,098
- Issue date Dec 20, 2011
- Sakura Color Products Corporation
- Norimasa Kurihara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tip unit for liquid applicator, method for producing the same, and...
- Patent number 7,914,222
- Issue date Mar 29, 2011
- Sakura Color Products Corporation
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Method of producing applicator tip
- Patent number 7,721,402
- Issue date May 25, 2010
- Sakura Color Products Corporation
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Aqueous ink composition
- Patent number 7,538,148
- Issue date May 26, 2009
- Sakura Color Products Corporation
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Polychromic ink composition depending on viewing angle
- Patent number 6,730,154
- Issue date May 4, 2004
- Sakura Color Products Corporation
- Hiroshi Inoue
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Water-Based Ink Composition
- Publication number 20070203259
- Publication date Aug 30, 2007
- Sakura Color Products Corporation
- Norimasa Kurihara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Tip unit for liquid applicator, method for producing the same, and...
- Publication number 20070110507
- Publication date May 17, 2007
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Method of producing applicator tip
- Publication number 20060260112
- Publication date Nov 23, 2006
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Aqueous ink composition
- Publication number 20060233595
- Publication date Oct 19, 2006
- SAKURA COLOR PRODUCTS CORPORATION
- Hiroshi Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Polychromic ink composition depending on viewing angle
- Publication number 20020033117
- Publication date Mar 21, 2002
- SAKURA COLOR PRODUCTS CORPORATION
- Hiroshi Inoue
- C01 - INORGANIC CHEMISTRY