P

Inventor

KATO RIKIYA

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

NIPPON OXYGEN CO LTD

11 patents

SENJU METAL INDUSTRY CO

4 patents

KATO RIKIYA

3 patents

SHINKO SEIKI

1 patent

SEIKO INSTR INC

1 patent

KIKUCHI TETSURO

1 patent