Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6212166 | Data distribution method and data distribution apparatus | Koji Akiyama, Kouichi Tanaka | 2001-04-03 |
| 4583733 | Baseball bat swing measuring device | Sho ITO, Tomoyuki Nakaguchi, Kumio Kasahara, Toshio Takei, Tsutomu Hashimoto | 1986-04-22 |
| 4577863 | Swing measuring device | Sho ITO, Kenji Tatsumi, Kumio Kasahara, Tomoyuki Nakaguchi, Toshio Takei | 1986-03-25 |