Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11818840 | Printed wiring board and electronic device | Koji SHIGETA, Masato Morita, Masahiro Koyama, Naoki Matsumoto | 2023-11-14 |
| 5425828 | Process for the manufacture of pneumatic radial tires with initial formation of a central annular groove in the belt-tread band | Hiroshi Imai, Hiroo Matsunaga | 1995-06-20 |
| 5120113 | Rim-fitted tire and method of correctin31eight imbalance | Toshiharu Oyama | 1992-06-09 |
| 4721143 | Pneumatic tire with excellent ride feeling | Masahiro Takayama | 1988-01-26 |