Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429165 | Pneumatic-shaped solid tire | Kouji Ichikawa, Takashi Nishimura, Shigeki Yamanaka, Kiyoshige Muraoka, Ryozo Okada | 1995-07-04 |
| 4877071 | Three layer cushion tire | Hidehiko Dohi, Takashi Nishimura, Kouji Ichikawa, Tetsuo Koishi | 1989-10-31 |