Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881289 | Paint-coating brush | Nagata Tsuyoshi | 1989-11-21 |
| 4843874 | Method of checking the workmanship of paint coating | Nagata Tsuyoshi, Okuda Shinji | 1989-07-04 |
| 4832580 | Fluid pressurizing delivery pump system | Nagata Tsuyoshi, Nakamune Kenichi | 1989-05-23 |