Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105747 | Bill validator with a shutter unit | Yoshiaki Uemizo, Kensuke Matsunaga | 2000-08-22 |
| 5425795 | Method for pulling-up a porous silica glass preform | Hiroyuki Koide, Masami Terashima, Hideo Hirasawa | 1995-06-20 |
| 5423898 | Method of lowering and raising a optical fiber preform in a sintering furnace | Masami Terashima, Hiroyuki Koide, Hideo Hirasawa | 1995-06-13 |