Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748769 | Method of producing glass particles deposit | Toshihiro Ooishi, Yuichi Ohga, Motonori Nakamura | 2004-06-15 |
| 6697559 | Optical fiber and method of making the same | Masaaki Hirano, Masashi Onishi | 2004-02-24 |