Inventor · disambiguated record
Seiichi Kikkawa
Also filed as: KIKKAWA SEIICHI · OTANI KOUJI
5 granted patents·111 citations·filing 1976–1984
82Inventor score
Top patents by PatentIndex Score
5 records- 0188US4028237AMethod and apparatus for treatment of fluorine-containing waste watersHITACHI LTD·Filed 1976·Granted Jun 7, 1977·35 cites·3 claims
- 0273US4593835ACryogenic liquefied pump systemHITACHI LTD·Filed 1984·Granted Jun 10, 1986·33 cites·10 claims
- 0365US4432216ACryogenic cooling apparatusHITACHI LTD·Filed 1982·Granted Feb 21, 1984·27 cites·6 claims
- 0444US4080289AApparatus for treating waste water or solutionHITACHI LTD AND HITACHI PLANT·Filed 1976·Granted Mar 21, 1978·11 cites·35 claims
- 0535US4154673AMethod of treatment of waste water containing sulfur compoundsBABCOCK HITACHI KK·Filed 1977·Granted May 15, 1979·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →