Inventor · disambiguated record
Hiroshi Itahana
Also filed as: ITAHANA HIROSHI
4 granted patents·115 citations·filing 1982–1995
80Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0173US5638266AFree wheel diode arrangement for neutral point clamped electric power conversion apparatusHITACHI LTD·Filed 1995·Granted Jun 10, 1997·52 cites·5 claims
- 0257US4694323AApparatus for vapor-cooling a semiconductorHITACHI LTD·Filed 1986·Granted Sep 15, 1987·27 cites·9 claims
- 0356US4492975AGate turn-off thyristor stackHITACHI LTD·Filed 1982·Granted Jan 8, 1985·22 cites·5 claims
- 0444US4864385APower semiconductors connected antiparallel via heatsinksHITACHI LTD·Filed 1987·Granted Sep 5, 1989·14 cites·11 claims
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