Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12145313 | Method of manufacturing rubber product | — | 2024-11-19 |
| 11981791 | Method of manufacturing rubber product | — | 2024-05-14 |
| 10989629 | Method of evaluating tire ground contact property | Shimpei Maeda, Akira Kobayakawa | 2021-04-27 |
| 10900893 | Method of measuring height of water on ice | Shintaro Hatanaka | 2021-01-26 |
| 6866076 | Tire having longitudinally extending smaller grooves formed in the walls of a groove | — | 2005-03-15 |
| 5803998 | Pneumatic radial tires with at least three tread radii of curvature | Hiroshi Kadowaki | 1998-09-08 |
| 5225013 | Pneumatic radial tire including wavy or zigzag belt cords | Yoshihide Kohno, Hiroyuki Koseki | 1993-07-06 |