Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509057 | Antibacterial, antifungal or antialgal article and process for producing same | Keijiro Shigeru, Yoshitomo Inoue, Yasuyuki Kurino | 2003-01-21 |
| 5882808 | Anti-bacterial and anti-fungal ceramic product | Takashi Oku, Keijiro Shigeru, Tomohiko Iijima, Nobuyuki Kumakura | 1999-03-16 |
| 5807641 | Anti-bacterial and anti-fungal glaze composition for ceramic products | Takashi Oku, Keijiro Shigeru, Tomohiko Iijima, Nobuyuki Kumakura | 1998-09-15 |