Inventor · disambiguated record
Takeo Koizumi
Also filed as: KOIZUMI TAKEO
4 granted patents·1 pending application·99 citations·filing 1981–2004
78Inventor score
Files withEHARA KATUO1NAT TAX ADMINISTRATION AGENCY1NIPPON MITSUBISHI OIL CORP1NIPPON OIL CORP1WAKABAYASHI SHOTEN KK1
Top patents by PatentIndex Score
5 records- 0188US6656887B2Lubricating oil compositionsNIPPON MITSUBISHI OIL CORP·Filed 2002·Granted Dec 2, 2003·35 cites·18 claims
- 0270US4770027AMethod of measuring concentrations of odors and a device thereforEHARA KATUO·Filed 1986·Granted Sep 13, 1988·41 cites·23 claims
- 0344US2004242434A1Lubricating oil composition for internal combustion engineNIPPON OIL CORP·Filed 2004·Application pending·0 cites
- 0442US5090232AMethod and apparatus for detecting odorsWAKABAYASHI SHOTEN KK·Filed 1990·Granted Feb 25, 1992·19 cites·4 claims
- 0531US4371440AMethod of treating a waste water rich in proteinNAT TAX ADMINISTRATION AGENCY·Filed 1981·Granted Feb 1, 1983·4 cites·1 claims
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