Inventor

KOIZUMI TAKEO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “KOIZUMI TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON MITSUBISHI OIL CORP

1 patent

US6656887B2Dec 2, 2003

Lubricating oil compositions

NIPPON MITSUBISHI OIL CORP35 citations91

EHARA KATUO

1 patent

US4770027ASep 13, 1988

Method of measuring concentrations of odors and a device therefor

EHARA KATUO41 citations84

WAKABAYASHI SHOTEN KK

1 patent

US5090232AFeb 25, 1992

Method and apparatus for detecting odors

WAKABAYASHI SHOTEN KK19 citations61

NAT TAX ADMINISTRATION AGENCY

1 patent

US4371440AFeb 1, 1983

Method of treating a waste water rich in protein

NAT TAX ADMINISTRATION AGENCY4 citations59