Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597311 | System for making examination papers and having an automatic marking function | Masato Yanagida, Tetsuya Kagawa | 1997-01-28 |
TS
Takako Sato
Overall (1997): #71,010 of 185,788Top 40%
1
Patents 1997