Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431651 | Data processing method | Takafumi Kaya, Akio Setsumasa, Junichi Takeda, Yasuhiro Takahashi | 2008-10-07 |
| 6164646 | Ball game machine | Isao Uehara, Takahiro Sakiyama | 2000-12-26 |