P

Inventor

SAKAMOTO KATSUHIRO

JP3 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANWA SHUTTER CORP

1 patent

MATSUEDOKEN CO LTD

1 patent

INA SHINJI

1 patent