Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435880 | Learning-support device and learning-support method | Shinichi Tsumori, Makoto Matsuoka | 2002-08-20 |
YK
Yuichi Kawaguchi
Overall (2002): #83,889 of 266,432Top 35%
1
Patents 2002