Membership
Tour
Register
Log in
Koichi Kumagai
Follow
Person
Ikoma, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a semiconductor element-mounting board
Patent number
7,036,221
Issue date
May 2, 2006
Matsushita Electric Industrial Co., Ltd.
Takaaki Higashida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Design evaluating method and apparatus for assisting circuit-board...
Patent number
6,496,957
Issue date
Dec 17, 2002
Matsushita Electric Industrial Co., Ltd.
Koichi Kumagai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for packaging IC chip, and tape-shaped carrier...
Patent number
6,332,268
Issue date
Dec 25, 2001
Matsushita Electric Industrial Co., Ltd.
Makoto Imanishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor element-mounting board and semiconductor device
Patent number
6,265,673
Issue date
Jul 24, 2001
Matsushita Electric Industrial Co., Ltd.
Takaaki Higashida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Component mounting board, process for producing the board, and proc...
Patent number
6,165,595
Issue date
Dec 26, 2000
Matsushita Electric Industrial Co., Ltd.
Koichi Kumagai
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
5,686,353
Issue date
Nov 11, 1997
Matsushita Electric Industrial Co., Ltd.
Yoshihiko Yagi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Atmospheric oven
Patent number
5,443,382
Issue date
Aug 22, 1995
Matsushita Electric Industrial Co., Ltd.
Koichi Tsurumi
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Atmospheric oven
Patent number
5,370,531
Issue date
Dec 6, 1994
Matsushita Electric Industrial Co., Ltd.
Koichi Tsurumi
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Resin circuit substrate and manufacturing method therefor
Patent number
5,248,852
Issue date
Sep 28, 1993
Matsushita Electric Industrial Co., Ltd.
Koichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Film material for film carrier manufacture and a method for manufac...
Patent number
5,118,556
Issue date
Jun 2, 1992
Matsushita Electric Industrial Co., Ltd.
Yutaka Makino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multilayer ceramic substrate and method for making the same
Patent number
5,043,223
Issue date
Aug 27, 1991
Matsushita Electric Industrial Co., Ltd.
Koichi Kumagai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
Method of manufacturing a semiconductor element-mounting board
Publication number
20040158979
Publication date
Aug 19, 2004
Takaaki Higashida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor element-mounting board and semiconductor device
Publication number
20010042639
Publication date
Nov 22, 2001
Takaaki Higashida
H01 - BASIC ELECTRIC ELEMENTS