Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432873 | Optical switch | Yuji Kobayashi, Yasuo Matsuda, Tsuyoshi Nonaka | 1995-07-11 |
| 5322228 | Method for screening optical fiber and apparatus for carrying out method | Katsuya Nagayama, Yutaka Wada, Ichiro Yoshimura, Yasuo Matsuda, Yuji Kobayashi | 1994-06-21 |
| 5268984 | Coated optical fiber and method of producing the same | Tomoyuki Hattori, Kohei Kobayashi | 1993-12-07 |
| 5108200 | Coupler-type optical switch and process for producing the same | Tsuyoshi Nonaka, Yasuo Matsuda, Toru Yamanishi | 1992-04-28 |
| 5091984 | Optical switch for use with optical fibers | Yuji Kobayashi, Yasuo Matsuda, Tsuyoshi Nonaka | 1992-02-25 |
| 5058987 | Coated optical fiber | — | 1991-10-22 |
| 4875758 | Plastic-coated optical transmission fiber and an estimating method thereof | Shigeo Masuda | 1989-10-24 |