Hirohumi Izumi

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Kitaibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making a cathode ray tube
- Patent number 5,084,225
- Issue date Jan 28, 1992
- Hitachi, Ltd.
- Toshimasa Ishigaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for using unsaturated polyester resin composition for treat...
- Patent number 4,893,055
- Issue date Jan 9, 1990
- Hitachi Chemical Co., Ltd.
- Tadashi Fuzii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Unsaturated polyester resin composition for cathode ray tube and it...
- Patent number 4,866,338
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Toshimasa Ishigaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...