Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521829 | Electromagnetic wave absorbing sheet | Kenichi Yoshida, Tohru Iwai, Hidekazu Nakata, Masato Yoshizawa | 2003-02-18 |
| 5774607 | Lensed-fiber with cascaded graded-index fiber chip configuration | Kazuo Shiraishi, Isamu Ohishi | 1998-06-30 |
| 5446816 | Optical fiber having a lens formed at an end thereof | Kazuo Shiraishi, Isamu Oishi, Katsuo Ebine | 1995-08-29 |