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Takashi Shintani
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Erasable ink: sulphonated rubber dyed with basic dye and dissolved...
Patent number
4,753,658
Issue date
Jun 28, 1988
Toyo Soda Manufacturing Co., Ltd.
Shuichi Okuzono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ink composition for writing board
Patent number
4,740,549
Issue date
Apr 26, 1988
Toyo Soda Manufacturing Co., Ltd.
Shuichi Okuzono
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Alcoholic solution of sulphonic acid-containing copolymer dyed with...
Patent number
4,713,083
Issue date
Dec 15, 1987
Toyo Soda Manufacturing Co., Ltd.
Shuichi Okuzono
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous colored polymer, process for preparing same and ink compris...
Patent number
4,623,689
Issue date
Nov 18, 1986
Toyo Soda Manufacturing Co., Ltd.
Takashi Shintani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Colored polymer emulsion and process for preparation thereof
Patent number
4,612,343
Issue date
Sep 16, 1986
Toya Soda Manufacturing Co., Ltd.
Shuichi Okuzono
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method for inhibiting corrosion of metal
Patent number
4,533,525
Issue date
Aug 6, 1985
Toyo Soda Manufacturing Co., Ltd.
Hiroshi Minamide
C01 - INORGANIC CHEMISTRY