P

Inventor

YAMAGUCHI DAICHI

JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI DAICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

7 patents

YAMAGUCHI DAICHI

6 patents

SUMITOMO ELECTRIC HARDMETAL CORP

3 patents

RICOH CO LTD

2 patents

KOMATSU MAKOTO

2 patents

AOKI KATSUHIRO

1 patent