Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460840 | Helical compression spring for a vehicle suspension | Toshiho Aoyama, Shuji Kamiya, Takashi Gotoh, Koichi Irie | 2002-10-08 |
| 6375174 | Curved helical compression spring | Keiji Hasegawa | 2002-04-23 |