Inventor · disambiguated record
Harumichi Watanabe
Also filed as: WATANABE HARUMICHI
5 granted patents·114 citations·filing 1981–1989
82Inventor score
Files withNIPPON OIL CO LTD5
Top patents by PatentIndex Score
5 records- 0191US4714794ASynthetic oilsNIPPON OIL CO LTD·Filed 1987·Granted Dec 22, 1987·59 cites·12 claims
- 0270US4392968AMetal deactivator and composition containing sameNIPPON OIL CO LTD·Filed 1981·Granted Jul 12, 1983·16 cites·7 claims
- 0363US4737297ASynthetic lubricating oilsNIPPON OIL CO LTD·Filed 1987·Granted Apr 12, 1988·16 cites·3 claims
- 0453US4992150AProcess for preparing oil-soluble nitrogen-containing compoundsNIPPON OIL CO LTD·Filed 1989·Granted Feb 12, 1991·12 cites·15 claims
- 0553US4665275AThermal medium oilsNIPPON OIL CO LTD·Filed 1985·Granted May 12, 1987·11 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →