Inventor · disambiguated record
Hiromasa Hirakawa
Also filed as: HIRAKAWA HIROMASA
10 granted patents·141 citations·filing 1979–1992
90Inventor score
Files withHITACHI LTD10
Top patents by PatentIndex Score
10 records- 0169US5297177AFuel assembly, components thereof and method of manufactureHITACHI LTD·Filed 1992·Granted Mar 22, 1994·31 cites·41 claims
- 0259US5176877ANuclear fuel assembly and nuclear reactor core containing said assemblyHITACHI LTD·Filed 1990·Granted Jan 5, 1993·12 cites·18 claims
- 0359US4686079AFuel assemblyHITACHI LTD·Filed 1985·Granted Aug 11, 1987·18 cites·11 claims
- 0458US5106575ANuclear fuel assembliesHITACHI LTD·Filed 1990·Granted Apr 21, 1992·22 cites·15 claims
- 0558US4926450AFuel assemblyHITACHI LTD·Filed 1988·Granted May 15, 1990·10 cites·3 claims
- 0658US4318777AApparatus for detecting failure of the nuclear fuel rodHITACHI LTD·Filed 1979·Granted Mar 9, 1982·12 cites·6 claims
- 0754US5265139AFuel assemblyHITACHI LTD·Filed 1992·Granted Nov 23, 1993·18 cites·14 claims
- 0846US5304261AMethod of fabricating a channel box or other part for a nuclear reactorHITACHI LTD·Filed 1992·Granted Apr 19, 1994·8 cites·36 claims
- 0944US4914679AFuel assemblyHITACHI LTD·Filed 1988·Granted Apr 3, 1990·6 cites·15 claims
- 1038US5164153AControl rod assembly for a boiling water reactorHITACHI LTD·Filed 1991·Granted Nov 17, 1992·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →