Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067392 | Optical fiber diffraction grating, a method of fabricating thereof and a laser light source | Masayuki Shigematsu, Yoshiaki Terasawa, Akira Inoue, Masakazu Shigehara, Toru Iwashima | 2000-05-23 |
| 5416467 | Security system utilizing loosely contained optical fiber | Junichi Ohta, Kazuhiro Okamoto, Ryusuke Miki, Yoshiaki Kanbe | 1995-05-16 |