Yutaka Itoh

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing printed circuit boards
- Patent number 4,457,952
- Issue date Jul 3, 1984
- Hitachi, Ltd.
- Mineo Kawamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for producing fire retardant and heat resistant copper-clad...
- Patent number 4,400,438
- Issue date Aug 23, 1983
- Hitachi Chemical Company, Ltd.
- Akio Takahashi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for producing printed circuit board by electroless plating
- Patent number 4,378,384
- Issue date Mar 29, 1983
- Hitachi, Ltd.
- Kanji Murakami
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Imide prepolymer from reaction of epoxy compound with bis-imide/dia...
- Patent number 4,346,206
- Issue date Aug 24, 1982
- Hitachi Chemical Company, Ltd.
- Akio Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bismide-ether compounds, compositions thereof, and method of produc...
- Patent number 4,296,219
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Akio Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thermosetting prepolymer from mixture of poly...
- Patent number 4,283,522
- Issue date Aug 11, 1981
- Hitachi Chemical Company, Ltd.
- Akio Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...