Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8684870 | Ball | Shinichiro Ito, Kazuya Seo, Takeshi Asai | 2014-04-01 |
| 6816130 | Display apparatus for use in athletic games | Hideomi Shishido, Yukinori Nagao, Masayuki Tanaka, Katsumi Kobayashi, Mitsuo Koyama | 2004-11-09 |