Inventor · disambiguated record
Hachiro Ichikawa
Also filed as: ICHIKAWA HACHIRO · KONDA SHOICHI
5 granted patents·65 citations·filing 1977–1998
80Inventor score
Top patents by PatentIndex Score
5 records- 0183US4151061AAluminum electrolytic cellNIPPON LIGHT METAL CO·Filed 1977·Granted Apr 24, 1979·26 cites·9 claims
- 0252US4135994AProcess for electrolytically producing aluminumNIPPON LIGHT METAL CO·Filed 1977·Granted Jan 23, 1979·8 cites·9 claims
- 0346US4917877AProcess for producing aluminum nitride powderNIPPON LIGHT METAL CO·Filed 1988·Granted Apr 17, 1990·18 cites·7 claims
- 0434US6155380AGrease filling device for electric motorTOKAI RYOKAKU TETSUDO KK·Filed 1998·Granted Dec 5, 2000·10 cites·20 claims
- 0529US4851207AProcess for producing an aluminum nitride powderNIPPON LIGHT METAL CO·Filed 1987·Granted Jul 25, 1989·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →