Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858196 | Water-based heat-radiation-preventive coating matrial for glass, heat-radiation-preventive glass, and method of preventing heat radiation | — | 2010-12-28 |
| 7325593 | Radiating fin and radiating method using the radiating fin | — | 2008-02-05 |
| 5762131 | Heat radiating board and method for cooling by using the same | Yumiko Kujirai, Yukio Kujirai | 1998-06-09 |
| 5744225 | Heat insulating board and method for heat insulation by using the same | Yumiko Kujirai, Yukio Kujirai | 1998-04-28 |
| 5519964 | Composite plastic film and greenhouse built therewith | Yumiko Kujirai, Yukio Kujirai | 1996-05-28 |