Yasushi Shimokawa

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dye for heat-sensitive transfer record and ink composition for heat...
- Patent number 5,387,686
- Issue date Feb 7, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Tsukasa Ohyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Quinophthalone compound
- Patent number 5,359,075
- Issue date Oct 25, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Tsukasa Ohyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Transfer sheet for sublimation recording
- Patent number 5,302,573
- Issue date Apr 12, 1994
- Mitsui Toatsu Chemicals, Inc.
- Tsukasa Ohyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dye for heat-sensitive transfer record, ink composition for heat-se...
- Patent number 5,296,445
- Issue date Mar 22, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Tsukasa Ohyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat-sensitive sublimation transfer cyan dye and transfer sheet
- Patent number 5,183,474
- Issue date Feb 2, 1993
- Mitsui Toatsu Chemicals Inc.
- Tsukasa Ohyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS