Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729806 | Elevator controller | — | 2010-06-01 |
| 7556127 | Elevator control device | — | 2009-07-07 |
| 6632116 | Plasma display panel, manufacturing method and manufacturing apparatus of the same | Eizaburo Watanabe, Naoto Ohno, Junichi Arai, Isao Kato, Yasumasa Akimoto +3 more | 2003-10-14 |
| 5402681 | Ultrasonic micro spectrometer | Noritaka Nakaso, Yusuke Tsukahara, Masao Saito | 1995-04-04 |
| 5079952 | Ultrasonic transducer assembly and ultrasonic acoustic microscope | Noritaka Nakaso, Yusuke Tsukahara, Masao Saito | 1992-01-14 |
| 5060764 | Velocity control method for elevator | — | 1991-10-29 |