Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449986 | Method of production of porous glass base material for optical fiber with cleaning of the burner with gas at 25 m/s or faster | Takashi Sugiyama, Masahiko Matsui, Naoyuki Fukushima, Takao Kabaya | 2002-09-17 |