Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962623 | Hardened calcium silicate having high strength | Hiroyoshi Matsuyama, Tadashi Shimizu | 2005-11-08 |
| 6865715 | Statistical method for extracting, and displaying keywords in forum/message board documents | Kanji Uchino, Hiroshi Tsuda | 2005-03-08 |