Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740416 | Aerogel substrate and method for preparing the same | Hiroshi Yokogawa, Masaru Yokoyama, Kenji Tsubaki, Kenji Kawano | 2004-05-25 |
| 6197270 | Process for producing aerogel | Hiroshi Yokogawa, Masaru Yokoyama, Kenji Tsubaki | 2001-03-06 |
| 6154595 | Side-face illuminating optical fiber | Hiroshi Yokogawa, Masaru Yokoyama, Kenji Tsubaki, Keishi Kousaka, Mikio Sei +1 more | 2000-11-28 |
| 5790742 | Optical fiber | Kenji Tsubaki, Tsuneyoshi Kamae, Hiroshi Yokogawa, Masaru Yokoyama | 1998-08-04 |