Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404492 | Light source apparatus and measurement method | Kexin Xu | 2002-06-11 |
| 5949540 | Optical measuring device, and spectroscopic light equipment and photodetector suitable therefore | Koji Matsuoka, Kazushi Ohtsuka, Xu Kexin | 1999-09-07 |