Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804149 | Gas-cleaning equipment and its use | Hiroaki Ota, Daihei Kobayashi, Takeshi Yanobe, Yuji Hayashi | 1998-09-08 |
| 5492678 | Gas-cleaning equipment and its use | Hiroaki Ota, Daihei Kobayashi, Takeshi Yanobe, Yuji Hayashi | 1996-02-20 |
| 4768838 | Wheel cap | — | 1988-09-06 |
| 4709967 | Wheel cap | — | 1987-12-01 |