Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689513 | Data transmission system having a backup testing facility | Ryoji Okita, Tohru Ogawa | 1997-11-18 |
MK
Michiko Kawada
Overall (1997): #103,524 of 185,788Top 60%
1
Patents 1997