Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5151751 | Method for evaluating color tone of coating film and device for this evaluation | Takashi Nakajima | 1992-09-29 |
| 4846578 | Surface characteristic measurement | Takashi Nakajima | 1989-07-11 |
| 4443106 | Measuring device for measuring the amount of change in thickness of the paint layer | Zenichi Yasuda, Takashi Nakajima | 1984-04-17 |