Inventor · disambiguated record
Zenzi Hagiwara
Also filed as: HAGIWARA ZENZI
3 granted patents·91 citations·filing 1978–1979
73Inventor score
Files withOSAKA OXYGEN IND3
Top patents by PatentIndex Score
3 records- 0182US4519813AProcess for extraction of highly purified oxygenOSAKA OXYGEN IND·Filed 1979·Granted May 28, 1985·50 cites·8 claims
- 0282US4259299AProcess for removing ozone from an ozone-containing gasOSAKA OXYGEN IND·Filed 1979·Granted Mar 31, 1981·36 cites·6 claims
- 0333US4215008ARare earth-containing alloys and method for purification of hydrogen gas therewithOSAKA OXYGEN IND·Filed 1978·Granted Jul 29, 1980·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →