Inventor · disambiguated record
Wakichiro Hishi
Also filed as: HISHI WAKICHIRO
6 granted patents·254 citations·filing 1987–1991
87Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0196US4880474AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1987·Granted Nov 14, 1989·125 cites·9 claims
- 0282US4958406AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1988·Granted Sep 25, 1990·41 cites·10 claims
- 0375US5294872AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1990·Granted Mar 15, 1994·25 cites·7 claims
- 0472US5166585AMotor control apparatus for an electric vacuum cleanerHITACHI LTD·Filed 1991·Granted Nov 24, 1992·28 cites·33 claims
- 0571US4983895AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1989·Granted Jan 8, 1991·25 cites·2 claims
- 0651US5075607AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1990·Granted Dec 24, 1991·10 cites·8 claims
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