Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435880 | Learning-support device and learning-support method | Shinichi Tsumori, Yuichi Kawaguchi | 2002-08-20 |
MM
Makoto Matsuoka
Overall (2002): #160,364 of 266,432Top 65%
1
Patents 2002