P

Inventor

KATSUMATA OSAMU

JP4 patents
⚠️ This page may combine multiple inventors who share the name “KATSUMATA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

2 patents

CKD CORP

1 patent

NIHON TOKUSHU NOYAKU SEIZO KK

1 patent