Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878277 | Photocatalytic filter, photocatalytic filter device and method for manufacturing photocatalytic filter | Masayuki Higashida, Kazuya Uchida | 2005-04-12 |
| 6820751 | Light-transmittable linear photocatalytic filter material, filter to which the material is applied, and process for production thereof | Souji Arai | 2004-11-23 |
| 6764655 | Photocatalyst filter for a light leakage type | Jumpei Hama, Soji Arai | 2004-07-20 |
| 6468428 | Glass material for carrying a photocatalyst, filter device using the same and light irradiating method | Nobuhiro Maeda, Shin-ichi Ogawa, Yoichi Hachitani, Masayuki Higashida, Itaru Watanabe | 2002-10-22 |