Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8001193 | Data communications system and data communications method for detecting unsolicited communications | Takeshi Sugiyama, Masaru Takahashi, Kazuo Sugiyama, Youji Oosako, Manhee Jo | 2011-08-16 |