Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137026 | Control device for magnetic bearing and control method | Kazuyuki Yamaguchi, Yohei MAGARA, Kiyoshi YABATA | 2021-10-05 |
| 8388311 | Turbomachinery | Kazuyuki Yamaguchi, Yohei MAGARA, Michiyuki Takagi, Kenichi Murata, Takeshi Kudo | 2013-03-05 |
| 5837952 | Mat switch | Kazuhisa Oshiro, Hiroyuki Keino | 1998-11-17 |
| D325753 | Toy vehicle | Takehiko Takahashi | 1992-04-28 |
| 4992714 | Band pass filter device and a method of filtering using such a device | Osami Matsushita, Michiyuki Takagi, Naohiko Takahashi, Ikuhiro Saitoh | 1991-02-12 |
| D303273 | Toy vehicle | Takehiko Takahashi | 1989-09-05 |