Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578868 | Digital display measuring apparatus | Kohji Sasaki, Yoshihiro Arai, Yasuyuki Yamaguchi | 1986-04-01 |
| 4487524 | Method and apparatus of forming sand piles for improving a soft ground | Masaru Shono, Takahiro Kawakami, Thoru Tamura, Hideki Matsumoto | 1984-12-11 |
| 4427873 | Method and apparatus for aligning axes of assisting gas nozzles with laser beam axes in laser processing machines | Naoki Orita | 1984-01-24 |
| 4304315 | Tractor | Kenkichi Hirakawa | 1981-12-08 |