Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10740425 | Content administration system | Takeshi Fujita, Shuji Masumoto, Tsutomu Kawachi | 2020-08-11 |
| 7971133 | Content administration system | Takeshi Fujita, Shuji Masumoto, Tsutomu Kawachi | 2011-06-28 |
| 7272603 | Content administration system | Takeshi Fujita, Shuji Masumoto, Tsutomu Kawachi | 2007-09-18 |