Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961681 | Method of drawing optical fiber preform to manufacture optical fiber | Toshiaki Tateishi, Keigo Maeda | 1999-10-05 |
| 5419542 | Automatic document feeder | Yasushi Yamada, Tadashi Uematsu, Hiroyuki Hara | 1995-05-30 |