Inventor · disambiguated record
Hisao Amano
Also filed as: AMANO HISAO
18 granted patents·423 citations·filing 1976–1989
95Inventor score
Top patents by PatentIndex Score
18 records- 0198US4692643ASemiconductor switching device having plural MOSFET's, GTO's or the like connected in seriesHITACHI LTD·Filed 1984·Granted Sep 8, 1987·114 cites·26 claims
- 0288US4494371AMethod and apparatus for yarn piecing in a ringless spinning machineTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Jan 22, 1985·17 cites·11 claims
- 0387US4777575ASwitching power supplyHITACHI LTD·Filed 1987·Granted Oct 11, 1988·56 cites·29 claims
- 0487US4628684AMethod of piecing a yarn in an open-end spinning machineTOYODA AUTOMATIC LOOM WORKS·Filed 1983·Granted Dec 16, 1986·17 cites·4 claims
- 0586US4264951ADC Power transmission controlHITACHI LTD·Filed 1979·Granted Apr 28, 1981·49 cites·29 claims
- 0679US4297594AGate circuit for a gate turn-off thyristorHITACHI LTD·Filed 1979·Granted Oct 27, 1981·18 cites·4 claims
- 0777US4933830ASwitching power supplyHITACHI LTD·Filed 1989·Granted Jun 12, 1990·31 cites·10 claims
- 0871US4866589AVoltage resonance type switching power source apparatusHITACHI LTD·Filed 1988·Granted Sep 12, 1989·28 cites·24 claims
- 0966US4100434AGate controlling apparatus for a thyristor valveHITACHI LTD·Filed 1976·Granted Jul 11, 1978·14 cites·12 claims
- 1065US4878163APulse width modulated inverter with high-to-low frequency output converterHITACHI LTD·Filed 1988·Granted Oct 31, 1989·23 cites·6 claims
- 1164US4417156AGate circuit for thyristorsHITACHI LTD·Filed 1981·Granted Nov 22, 1983·12 cites·6 claims
- 1263US4298809AGate circuit for gate turn-off thyristorHITACHI LTD·Filed 1979·Granted Nov 3, 1981·9 cites·3 claims
- 1353US4479348AApparatus for spinning fasciated yarnTOYODA AUTOMATIC LOOM WORKS·Filed 1982·Granted Oct 30, 1984·5 cites·9 claims
- 1448US4456836AGate circuit for gate turn-off thyristorHITACHI LTD·Filed 1981·Granted Jun 26, 1984·7 cites·15 claims
- 1547US4319317AD.C. Power supplyHITACHI LTD·Filed 1980·Granted Mar 9, 1982·8 cites·21 claims
- 1642US4855887ACurrent and frequency converter having means to reduce switching lossesHITACHI LTD·Filed 1988·Granted Aug 8, 1989·8 cites·9 claims
- 1736US4306138APower supply apparatus for resistance welder including means for preventing polarized transformer excitationHITACHI LTD·Filed 1979·Granted Dec 15, 1981·4 cites·7 claims
- 1833US4646122ASemiconductor device with floating remote gate turn-off meansHITACHI LTD·Filed 1984·Granted Feb 24, 1987·3 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Hisao Amano files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →