Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008884 | Private automatic branch exchange system with line accessing number adding feature | Shigehiko Yazawa, Toru Ogawa, Haruo Moritomo, Mikio Nakayama | 1991-04-16 |
YS
Yoshiaki Suya
Overall (All Time): #3,874,519 of 4,157,543Top 95%
1
Patents All Time