Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645893 | Glass suitable for optical functional elements and process for producing same | Kiyotaka Miura, Seiji Fujiwara, Natsuya Nishimura, Yoshinori Kubota | 2003-11-11 |
| 6501596 | 1.4-1.52 &mgr;m-band optical amplifier | Hiroyuki Inoue, Yoshinori Kubota, Natsuya Nishimura, Kiyotaka Miura | 2002-12-31 |