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Takarazuka, Japan

Koji Hamamoto

USPTO Granted Patents = 8 (Patent Applications = 1)

Average Co-Inventor Count = 4.7

ph-index = 5

Forward Citations = 121(Granted Patents)

Location History:

Takarazuka, JP (1991 - 1993)
Himeji, JP (1998)
Hyogo, JP (2001 - 2003)

Company Filing History:

8 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 1991-2003

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6555785 - Welding condition inputting equipment (2003-04-29),

2. D445812 - Welding machine (2001-08-01),

3. 6225597 - Method of controlling pulse output and consumable electrode type pulse arc welding device (2001-05-01),

4. 6207928 - Consumable electrode type pulse arc welding method (2001-03-27),

5. 5834733 - ARC welding machine (1998-11-10),

6. 5270516 - Arc welding machine (1993-12-14),

7. 5168144 - Arc welding power apparatus having plural selectable electrode feed (1992-12-01),

8. 5017757 - Pulsed arc welding machine (1991-05-21),

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