Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442985 | Lock apparatus and lock system | Yoshio Watanuki, Masaki Tamura, Tetsuyuki Tsukano | 2002-09-03 |
SC
Shigeo Chiba
Alpha: 1 patents #49 of 110Top 45%
Overall (All Time): #3,555,944 of 4,157,543Top 90%
1
Patents All Time