Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8221233 | Computer program product | Masayuki Sumi, Takeshi Yamaguchi, Masaru Moriguchi | 2012-07-17 |
| 7837552 | Computer program product | Masayuki Sumi, Takeshi Yamaguchi, Masaru Moriguchi | 2010-11-23 |
| 6672962 | Gun-shaped controller and game device | Naoji Ozaki, Tomoyuki SAKURAI, Yutaka Okumura, Makio Kida, Masayuki Sumi +2 more | 2004-01-06 |