Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837083 | Key cylinder and method for assembling a key cylinder | Toshiharu Katagiri, Yoshinobu Oyabu | 2005-01-04 |
| 6164101 | Key with built-in transmitting element | Shozo Kito, Yoshinobu Ohyabu, Toshiharu Katagiri, Hiroyuki Sugiyama | 2000-12-26 |
| 4956983 | Locking apparatus with a key | Noboru Yamaguchi, Shuji Masuda, Noboru Kanou | 1990-09-18 |