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Koichi Kumagai

USPTO Granted Patents = 11

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 197(Granted Patents)

Company Filing History:

11 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 1991-2006

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7036221 - Method of manufacturing a semiconductor element-mounting board (2006-05-02),

2. 6496957 - Design evaluating method and apparatus for assisting circuit-board assembly (2002-12-17),

3. 6332268 - Method and apparatus for packaging IC chip, and tape-shaped carrier to be used therefor (2001-12-25),

4. 6265673 - Semiconductor element-mounting board and semiconductor device (2001-07-24),

5. 6165595 - Component mounting board, process for producing the board, and process (2000-12-26),

6. 5686353 - Semiconductor device and manufacturing method thereof (1997-11-11),

7. 5443382 - Atmospheric oven (1995-08-22),

8. 5370531 - Atmospheric oven (1994-12-06),

9. 5248852 - Resin circuit substrate and manufacturing method therefor (1993-09-28),

10. 5118556 - Film material for film carrier manufacture and a method for (1992-06-02),

11. 5043223 - Multilayer ceramic substrate and method for making the same (1991-08-27),

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