Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825915 | Alignment device | Akira Yamauchi, Yoshiyuki Arai, Chisa Inaka, Eiji Shamoto | 2004-11-30 |
| 6776563 | Method of controlling elliptical vibrator | Eiji Shamoto, Norikazu Suzuki, Makoto Matsuo | 2004-08-17 |
| 6637303 | Elliptical vibration cutting method and elliptical vibration cutting apparatus | Eiji Shamoto, Makoto Matsuo | 2003-10-28 |
| 5404066 | Feed system | Eiji Shamoto, Akira Tsuboi, Yukio Maeda | 1995-04-04 |