P

Inventor

YAMAMOTO KATSUHISA

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO KATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

3 patents

FURUNO ELECTRIC CO

2 patents

YAMAMOTO KATSUHISA

2 patents

IBM

1 patent

MITSUBISHI METAL CORP

1 patent