Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304633 | Testing system for voice system equipment in switchboard | Hiroshi Adachi, Shinji Yamada, Morimitsu Miura | 2001-10-16 |
SS
Shinji Segawa
Overall (All Time): #3,597,141 of 4,157,543Top 90%
1
Patents All Time