P

Inventor

OHTSU SEIICHI

JP3 patents
⚠️ This page may combine multiple inventors who share the name “OHTSU SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI MINING & SMELTING CO

1 patent

ISUZU MOTORS LTD

1 patent

TOSHIBA KK

1 patent