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Seiji Tamura

USPTO Granted Patents = 10

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 179(Granted Patents)

Location History:

Ibaragi, JP (1995)
Ibaraki-ken, JP (2000)
Ibaraki, JP (1986 - 2002)
Tomobe-machi, JP (2003)

Company Filing History:

10 out of 1,498

Hitachi Construction Machinery Co., Ltd.

Years Active: 1986-2003

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6523905 - Crawler carrier having an engine, a hydraulic pump and a heat exchanger positioned in a lateral direction (2003-02-25),

2. 6361246 - Tired roller (2002-03-26),

3. 6105707 - Tired Roller (2000-08-22),

4. 5638677 - Control device for hydraulically propelled work vehicle (1997-06-17),

5. 5513875 - Lockable suspension system for a work vehicle having a stabilizing link (1996-05-07),

6. 5477679 - Apparatus for controlling revolution speed of prime mover for (1995-12-26),

7. 5307631 - Hydraulic control apparatus for hydraulic construction machine (1994-05-03),

8. 5277269 - Engine revolution speed control device for a hydraulically driven vehicle (1994-01-11),

9. 4726186 - Control system of hydraulic construction machinery (1988-02-23),

10. 4614475 - Hydraulic circuit system for civil engineering and architectural (1986-09-30),

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