Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667603 | Hardening process and apparatus for holed flat parts | Masanori Ichikawa, Tadayoshi Yoshioka, Katsumasa Toyoda | 1997-09-16 |
| 5655629 | Bicycle brake shoe | Katsuyuki Ohta | 1997-08-12 |