Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5151142 | Heavy duty pneumatic radial tires using rubber reinforcing fiber cords with improved adhesion | Toshihiro Yotsumoto, Norio Inada, Shigeyuki Toki, Maki Sato, Ichiro Wada | 1992-09-29 |
| 4887655 | Heavy duty-high pressure pneumatic radial tires | Norio Inada | 1989-12-19 |
| 4807682 | Heavy duty pneumatic tire | Norio Inada | 1989-02-28 |
| 4787200 | Rubber-reinforcing aromatic polyamide fiber cords | Norio Inada | 1988-11-29 |
| 4751952 | Pneumatic tire | — | 1988-06-21 |
| 4708185 | Pneumatic radial tire | Kazuo Oshima, Kenichi Tanaka, Norio Inada | 1987-11-24 |
| 4628978 | Pneumatic radial tires | Kazuo Oshima, Norio Inada | 1986-12-16 |
| 4360049 | Radial tires having improved irregular wear resistance | — | 1982-11-23 |
| 4261403 | Radial tires having improved irregular wear resistance employing liquid polymer as processing and reinforcing aid in tread rubber | Junichi Ohtsuka | 1981-04-14 |
| 4252171 | Withstand-voltage tire | Kazuo Koyama, Mitsuaki Maeda | 1981-02-24 |