Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769623 | Automotive internal combustion engine cooling system | Toshio Morikawa, Takashi Toyoshima, Yoshio Miyata | 2004-08-03 |
| 6742480 | Heat storage tank | Sadahisa Onimaru, Toshio Morikawa, Takashi Toyoshima | 2004-06-01 |
| 6718925 | Heat storage tank | Takashi Toyoshima, Toshio Morikawa | 2004-04-13 |