Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897956 | Glass having low solar radiation and ultraviolet ray transmittance | Takashi Kijima, Toru Kudo, Fumio Kamei, Akira Kondo | 1999-04-27 |
| 5726109 | Deep gray colored glass | Takashi Kijima | 1998-03-10 |
| 5723390 | Glass having low solar radiation and ultraviolet ray transmittance | Takashi Kijima, Toru Kudo, Fumio Kamei, Akira Kondo | 1998-03-03 |