Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692088 | Optical waveguide tube | Minoru Ishiharada, Itsuo Tanuma | 1997-11-25 |
| 5684913 | Optical waveguide tube and method of making | Masato Sugimachi, Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito +1 more | 1997-11-04 |
| 5681611 | Light guide and method for making | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Masato Sugimachi | 1997-10-28 |