Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389786 | Method of quantitative determination of defect concentration on surfaces | Yasuo Nakai, Ken Hattori, Akiko Okano | 1995-02-14 |
| 5264769 | Recording device with a controllable carriage driving motor | — | 1993-11-23 |