Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353633 | Top spinner | Minoru Sawada | 1994-12-20 |
| 5330786 | Method of manufacturing color-coated optical fibers | Nobuhiro Akasaka | 1994-07-19 |
| 5108200 | Coupler-type optical switch and process for producing the same | Toshifumi Hosoya, Yasuo Matsuda, Toru Yamanishi | 1992-04-28 |
| 5091984 | Optical switch for use with optical fibers | Yuji Kobayashi, Yasuo Matsuda, Toshifumi Hosoya | 1992-02-25 |