Osamu Watanabe

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid laminated prepreg and ski pole shaft using the same
- Patent number 5,397,636
- Issue date Mar 14, 1995
- Tonen Corporation
- Makiji Miyao
- B44 - DECORATIVE ARTS
Information Patent Grant
Epoxy resin composition containing a polyaminoamide and a latent cu...
- Patent number 5,350,826
- Issue date Sep 27, 1994
- Tonen Corporation
- Osamu Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition of tetraglycidyl, triglycidyl and diglycidyl epoxy resins
- Patent number 5,317,068
- Issue date May 31, 1994
- Tonen Corporation
- Osamu Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin curing agent based on blends containing disecondary aro...
- Patent number 5,091,474
- Issue date Feb 25, 1992
- Toa Nenryo Kogyo Kabushiki Kaisha
- Shinkichi Murakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosetting epoxy resin composition
- Patent number 4,985,530
- Issue date Jan 15, 1991
- Tonen Corporation
- Shinkichi Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...