Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355529 | Apparatus for manufacturing a cylindrical member | Tatsuhiko Fukuoka, Shigeo Ichikawa | 1982-10-26 |
| 4309890 | Method of forming a cylindrical member | Shigeo Ichikawa, Masaki Sinoda | 1982-01-12 |