Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700714 | Diffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrate | Mitsuhiko Ogihara, Masumi Koizumi, Masumi Taninaka | 1997-12-23 |
| 5689491 | Optical write/read device and an information recording media | Minoru Isobe | 1997-11-18 |
| 5600157 | Light-emitting and light-sensing diode array device, and light-emitting and light-sensing diode with improved sensitivity | Ichimatsu Abiko, Katsuzo Kaminishi, Takatoku Shimizu, Kazuo Tokura, Yasuo Iguti +4 more | 1997-02-04 |