Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8966940 | Process for producing glass bar | Tetsuya Kumada, Yasuhiro Naka, Toshihiro Nakamura | 2015-03-03 |
| 7362940 | Optical-fiber coating apparatus | Minsuk Song, Kazuhisa Kashihara | 2008-04-22 |
| 7252262 | Protective cover for optical fiber | Masato Oku, Yoshiyuki Sakata, Takashi Suzuki | 2007-08-07 |
| 5961681 | Method of drawing optical fiber preform to manufacture optical fiber | Keigo Maeda, Shigeo Inaba | 1999-10-05 |