Inventor

KAWAGUCHI TOMIO

JP3 patents

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

SUMITOMO METAL MINING CO

2 patents

US4992403AFeb 12, 1991

Catalysts for hydrotreating hydrocarbons and methods of preparing the same

SUMITOMO METAL MINING CO36 citations91

US4997801AMar 5, 1991

Catalyst for hydrotreating hydrocarbons

SUMITOMO METAL MINING CO8 citations70

TOSHIBA KK

1 patent

US5487386AJan 30, 1996

Ultrasonic diagnostic apparatus

TOSHIBA KK100 citations92