Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024945 | Glass tube processing apparatus | Tetsuya Nakanishi, Masashi Onishi, Tomoyuki Yokokawa, Masaaki Hirano | 2011-09-27 |
| 8015845 | Glass tube processing method | Tetsuya Nakanishi, Masashi Onishi, Tomoyuki Yokokawa, Masaaki Hirano | 2011-09-13 |
| 7637125 | Glass tube processing method, apparatus and glass tube | Tetsuya Nakanishi, Masashi Onishi, Tomoyuki Yokokawa, Masaaki Hirano | 2009-12-29 |
| 7130513 | Glass-body-producing method and optical glass body and optical fiber | Tetsuya Haruna, Shinji Ishikawa, Toshiki Taru, Tetsutarou Katayama | 2006-10-31 |