Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594787 | Call toll processing method and call toll processing apparatus | Kenichi Ohshima, Jun Ishikawa, Tomoki Nakaya | 1997-01-14 |
KK
Koji Kudoh
Overall (1997): #116,954 of 185,788Top 65%
1
Patents 1997