Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646251 | Separate type photoelectric switch | — | 2003-11-11 |
| 6627170 | Process for preparing calcium carbonate | Kazuto Takahashi, Kiyoshi Kanai, Yasunori Nanri | 2003-09-30 |
| 6555806 | Photoelectric sensor having special display features | — | 2003-04-29 |
| 6528926 | Driving apparatus | Ryuichi Yoshida, Akira Kosaka | 2003-03-04 |
| 6512321 | Driving apparatus and method of using same | Ryuichi Yoshida, Hiroyuki Okada | 2003-01-28 |