P

Inventor

NAKAGAWA KATSUHIKO

JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OHISHI TSUTOMU

6 patents

RICOH CO LTD

4 patents

NEC CORP

3 patents

RICOH KK

2 patents