Inventor · disambiguated record

Hitomi Umehara

Also filed as: UMEHARA HITOMI

1 granted patent·8 citations·filing 1997–1997

30Inventor score

Technology areasH01J

Files withNIPPON OXYGEN CO LTD1

Top patents by PatentIndex Score

1 record

0142US6000275AMethod for analyzing impurities in gas and its analyzerNIPPON OXYGEN CO LTD·Filed 1997·Granted Dec 14, 1999·8 cites·13 claims

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Hitomi Umehara — Patent Inventor | PatentIndex