Masaaki Nakahata

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Higashimatsuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diazodisulfones
- Patent number RE40211
- Issue date Apr 1, 2008
- Wako Pure Chemical Industries, Ltd.
- Fumiyoshi Urano
- 534 - Organic compounds
Information Patent Grant
Chemical amplified resist material containing photosensitive compou...
- Patent number 5,350,660
- Issue date Sep 27, 1994
- Wako Pure Chemical Industries, Ltd.
- Fumiyoshi Urano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pattern forming contrast enhanced material utilizing water soluble...
- Patent number 5,272,036
- Issue date Dec 21, 1993
- Matsushita Electronic Industrial Co., Ltd.
- Yoshiyuki Tani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diazodisulfones
- Patent number 5,216,135
- Issue date Jun 1, 1993
- Wako Pure Chemical Industries, Ltd.
- Fumiyoshi Urano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal compounds and intermediates thereof
- Patent number 5,114,615
- Issue date May 19, 1992
- Wako Pure Chemical Industries, Ltd.
- Shigeki Ishibashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.gamma.-glutamyl-p-aminoanilide derivatives for measuring activity...
- Patent number 4,177,109
- Issue date Dec 4, 1979
- Wako Pure Chemical Industries, Ltd.
- Takanori Tohyama
- C07 - ORGANIC CHEMISTRY