Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435880 | Learning-support device and learning-support method | Makoto Matsuoka, Yuichi Kawaguchi | 2002-08-20 |
ST
Shinichi Tsumori
Overall (2002): #116,671 of 266,432Top 45%
1
Patents 2002