Inventor

OKAMURA NAOKATSU

JP3 patents

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

TOKAI RIKA CO LTD

2 patents

US4956983ASep 18, 1990

Locking apparatus with a key

TOKAI RIKA CO LTD32 citations90

US6837083B2Jan 4, 2005

Key cylinder and method for assembling a key cylinder

TOKAI RIKA CO LTD11 citations70

TOKAIRIKA DENKI SEISAKUSHO KK

1 patent

US6164101ADec 26, 2000

Key with built-in transmitting element

TOKAIRIKA DENKI SEISAKUSHO KK36 citations89