P

Inventor

SOYAMA HIROSHI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “SOYAMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBOSHI DIAMOND IND CO LTD

7 patents

WAKAYAMA HARUO

2 patents

MITSUBOSHI DIAMOND KOGYO KK

1 patent