Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594787 | Call toll processing method and call toll processing apparatus | Jun Ishikawa, Koji Kudoh, Tomoki Nakaya | 1997-01-14 |
KO
Kenichi Ohshima
Overall (1997): #119,358 of 185,788Top 65%
1
Patents 1997