Inventor · disambiguated record
Masao Imaizumi
Also filed as: HIRANO NOBORU · IMAIZUMI MASAO
4 granted patents·87 citations·filing 1977–1981
79Inventor score
Files withNIPPON OIL CO LTD4
Top patents by PatentIndex Score
4 records- 0185US4356339AProcess for isolating and recovering butene-1 of high purityNIPPON OIL CO LTD·Filed 1981·Granted Oct 26, 1982·26 cites·11 claims
- 0285US4182914AProcess for continuously producing diisopropyl etherNIPPON OIL CO LTD·Filed 1977·Granted Jan 8, 1980·34 cites·4 claims
- 0379US4208540AProcess for separation and recovery of isobuteneNIPPON OIL CO LTD·Filed 1979·Granted Jun 17, 1980·14 cites·14 claims
- 0479US4180688AMethod for continuously producing tert-butyl alcoholNIPPON OIL CO LTD·Filed 1978·Granted Dec 25, 1979·13 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →