Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945669 | Extrusion material supply device and optical transmission body manufacturing method using the same | Tazuru Okamoto, Yasuhiro Koike | 2015-02-03 |
| 8617445 | Process for producing oriented thermoplastic polyester resin sheet, and laminate-molded body | Shigeru Ogasawara, Hisashi Eguchi, Ryuichi Matsuo | 2013-12-31 |
| 8611714 | Optical fiber and method for manufacturing same | Ryosuke Nakao, Hiroka Inabe, Tazuru Okamoto, Yuki Masabe, Masato Aoyama +1 more | 2013-12-17 |
| 8600210 | GI type optical fiber and method for manufacturing same | Tazuru Okamoto, Ryosuke Nakao, Hiroka Inabe, Yuki Masabe, Yasuhiro Koike | 2013-12-03 |