P

Inventor

YOKOYAMA SHIGEYOSHI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SHIGEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIHON RADIATOR CO

2 patents

HITACHI LTD

2 patents

ASAHI RUBBER KK

1 patent