Inventor

HOSONUMA KUNIHIKO

JP4 patents

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

KYOSEKI SEIHIN GIJUTSU KENK

2 patents

US5049742ASep 17, 1991

Apparatus for detecting deterioration of engine oil

KYOSEKI SEIHIN GIJUTSU KENK93 citations92

US4925596AMay 15, 1990

Lubricating oil composition containing molybdenum and zinc compounds for internal combustion engine

KYOSEKI SEIHIN GIJUTSU KENK9 citations71

JAPAN ENERGY CORP

1 patent

US5916851AJun 29, 1999

Lubricating oil for internal combustion engine comprising oxymolybdenum dithiocarbamate sulfide

JAPAN ENERGY CORP23 citations90

NIPPON MINING CO

1 patent

US4513155AApr 23, 1985

Lubricating oil for diesel engines

NIPPON MINING CO20 citations79