Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484850 | Elevator control panel device | Kiyoshi Kobayashi | 2002-11-26 |
| 6460840 | Helical compression spring for a vehicle suspension | Toshiyuki Imaizumi, Toshiho Aoyama, Shuji Kamiya, Koichi Irie | 2002-10-08 |