Inventor · disambiguated record

Ryozo Kikkawa

Also filed as: KIKKAWA RYOZO

3 granted patents·59 citations·filing 1982–1994

73Inventor score

Technology areasG21F

Files withHITACHI LTD3

Top patents by PatentIndex Score

3 records

0177US4437933AApparatus for treating radioactive liquid wastesHITACHI LTD·Filed 1982·Granted Mar 20, 1984·26 cites·6 claims
0273US4629587ASolidifying disposal system for radioactive wasteHITACHI LTD·Filed 1983·Granted Dec 16, 1986·24 cites·7 claims
0343US5732362AMethod for treating radioactive laundry waste waterHITACHI LTD·Filed 1994·Granted Mar 24, 1998·9 cites·12 claims

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