Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9787233 | Movable object driving device and game machine | Norihisa Takahashi, Katsumi Matsushita, Hiroyuki Ibuki | 2017-10-10 |
| 9672683 | Drive control device and drive control system | Katsumi Matsushita, Hiroyuki Ibuki | 2017-06-06 |
| 9266016 | Light source control device and game machine | Katsumi Matsushita, Norihisa Takahashi, Hiroyuki Ibuki | 2016-02-23 |
| 9143069 | Drive control device | Katsumi Matsushita, Hiroyuki Ibuki | 2015-09-22 |