Inventor · disambiguated record
Sumio Sudo
Also filed as: SUDO SUMIO
12 granted patents·229 citations·filing 1981–2001
92Inventor score
Files withHITACHI LTD12
Top patents by PatentIndex Score
12 records- 0192US5360290AUnderground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pumpHITACHI LTD·Filed 1992·Granted Nov 1, 1994·44 cites·19 claims
- 0279US5487621ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1994·Granted Jan 30, 1996·39 cites·6 claims
- 0378US6102618ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1999·Granted Aug 15, 2000·38 cites·3 claims
- 0475US5909982ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1997·Granted Jun 8, 1999·35 cites·25 claims
- 0568US6527509B2Turbo machinesHITACHI LTD·Filed 2001·Granted Mar 4, 2003·19 cites·26 claims
- 0657US6540482B2Turbo-type machinesHITACHI LTD·Filed 2001·Granted Apr 1, 2003·9 cites·12 claims
- 0752US5624226AUnderground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pumpHITACHI LTD·Filed 1994·Granted Apr 29, 1997·10 cites·2 claims
- 0843US6302643B1Turbo machinesHITACHI LTD·Filed 1999·Granted Oct 16, 2001·13 cites·25 claims
- 0936US5634740ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1995·Granted Jun 3, 1997·5 cites·6 claims
- 1036US5154570AVertical shaft pumpHITACHI LTD·Filed 1990·Granted Oct 13, 1992·10 cites·28 claims
- 1133US4362463AMovable blade pumpHITACHI LTD·Filed 1981·Granted Dec 7, 1982·4 cites·5 claims
- 1231US5733065AUnderground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pumpHITACHI LTD·Filed 1997·Granted Mar 31, 1998·3 cites·7 claims
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