Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488524 | High-durability photocatalyst film and structure having photocatalytic functions on surface | Naoki Tanaka, Norihiro Nakayama | 2009-02-10 |
| 6141472 | Optical cable and optical cable chamber element | Hiroki Ishikawa, Yoshiyuki Suetsugu, Shigeru Tanaka, Hideyuki Iwata, Toku Ishii | 2000-10-31 |
| 6122426 | Optical cable and optical cable chamber element | Hiroki Ishikawa, Yoshiyuki Suetsugu, Hideyuki Iwata, Kazunori Watanabe, Toku Ishii | 2000-09-19 |