Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752332 | Hard plate for spiked track shoes | Akira Kataoka, Masanobu Inohara, Toshio Suma, Kiyohiro Saito | 1998-05-19 |
| 5689904 | Hard plate for spiked track shoes | Akira Kataoka, Masanobu Inohara, Toshio Suma, Kiyohiro Saito | 1997-11-25 |
| 5581913 | Hard plate for spiked track shoes | Akira Kataoka, Masanobu Inohara, Toshio Suma, Kiyohiro Saito | 1996-12-10 |
| 5483760 | Hard plate for spiked track shoes | Akira Kataoka, Masanobu Inohara, Toshio Suma, Kiyohiro Saito | 1996-01-16 |