Masaki Akatsuka

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Patents Grantslast 30 patents

Information Patent Grant
Epoxy resin, epoxy resin composition, cured epoxy resin, and manufa...
- Patent number 6,765,043
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Masaki Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Insulating composition
- Patent number 6,261,481
- Issue date Jul 17, 2001
- Hitachi, Ltd.
- Masaki Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Epoxy resin, epoxy resin composition, cured epoxy resin and manufac...
- Publication number 20030232964
- Publication date Dec 18, 2003
- Masaki Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Epoxy resin, epoxy resin composition, cured epoxy resin, and manufa...
- Publication number 20030229159
- Publication date Dec 11, 2003
- Masaki Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrolyte and lithium ion secondary battery
- Publication number 20030031932
- Publication date Feb 13, 2003
- Takefumi Okumura
- H01 - BASIC ELECTRIC ELEMENTS