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Tsutomu Asai
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Nerima-ku, Tokyo 177, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Resin-coated copper foil, and printed wiring board using resin-coat...
Patent number
6,831,129
Issue date
Dec 14, 2004
Mitsui Mining & Smelting Co. Ltd.
Tetsuro Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
RESIN COMPOUND FOR FABRICATING INTERLAYER DIELECTRIC OF PRINTED WIR...
Patent number
6,716,530
Issue date
Apr 6, 2004
Mitsui Mining & Smelting Co., Ltd.
Tetsuro Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin-coated composite foil, production and use thereof
Patent number
6,652,962
Issue date
Nov 25, 2003
Mitsui Mining & Smelting Co. Ltd.
Tetsuro Sato
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing vias in the manufacture of printed circuit boards
Patent number
6,240,636
Issue date
Jun 5, 2001
Mitsui Mining & Smelting Co., Ltd.
Tsutomu Asai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High tensile strength electrodeposited copper foil
Patent number
6,194,056
Issue date
Feb 27, 2001
Mitsui Mining & Smelting Co., Ltd.
Hisao Sakai
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Resin composition for copper-clad laminate, resin-coated copper foi...
Patent number
6,187,416
Issue date
Feb 13, 2001
Mitsui Mining & Smelting Co., Ltd.
Tetsurou Satoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
High tensile strength electrodeposited copper foil and process of e...
Patent number
5,958,209
Issue date
Sep 28, 1999
Mitsui Mining & Smelting Co., Ltd.
Hisao Sakai
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Nutating step motor
Patent number
5,309,041
Issue date
May 3, 1994
Nihon Riken Kabushiki Kaisha
Teruo Kawai
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Resin-coated copper foil, and printed wiring board using resin-coat...
Publication number
20030087101
Publication date
May 8, 2003
Tetsuro Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin compound for fabricating interlayer dielectric of printed wir...
Publication number
20020106516
Publication date
Aug 8, 2002
MITSUI MINING AND SMELTING CO., LTD
Tetsuro Sato
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...