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Ibaraki-ken, Japan

Sumio Sudo

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 105(Granted Patents)

Location History:

Oaza Shimoinayoshi, JP (1982)
Ibaraki, JP (1992 - 1996)
Ibaraki-ken, JP (1997 - 2000)
Niihari-gun, JP (2001)
Chiyoda, JP (2003)
Chiyoda-machi, JP (2003)

Company Filing History:

10 out of 42,485

2 out of 832,680

Other

patents

Years Active: 1982-2003

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6540482 - Turbo-type machines (2003-04-01),

2. 6527509 - Turbo machines (2003-03-04),

3. 6302643 - Turbo machines (2001-10-16),

4. 6102618 - Large-depth underground drainage facility and method of running same (2000-08-15),

5. 5909982 - Large-depth underground drainage facility and method of running same (1999-06-08),

6. 5733065 - Underground drainage facility, vertical-shaft multi-stage adjustable (1998-03-31),

7. 5634740 - Large-depth underground drainage facility and method of running same (1997-06-03),

8. 5624226 - Underground drainage facility, vertical-shaft multi-stage adjustable (1997-04-29),

9. 5487621 - Large-depth underground drainage facility and method of running same (1996-01-30),

10. 5360290 - Underground drainage facility, vertical-shaft multi-stage adjustable (1994-11-01),

11. 5154570 - Vertical shaft pump (1992-10-13),

12. 4362463 - Movable blade pump (1982-12-07),

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