P

Inventor

OHSHIMA KENJI

JP15 patents
⚠️ This page may combine multiple inventors who share the name “OHSHIMA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RISO KAGAKU CORP

6 patents

SEIKOSHA KK

2 patents

PROCTER & GAMBLE

2 patents

HITACHI AUTOMOTIVE SYSTEMS LTD

2 patents

UETAKE MASAHIRO

1 patent

TOKYO GAS CO LTD

1 patent

HAKKO CO

1 patent