Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894771 | Data base management system extending structure | Hideko Kunii, Issei Fujishiro, Tosiyasu Kunii | 1990-01-16 |
YS
Yasuto Shirai
Overall (All Time): #3,894,293 of 4,157,543Top 95%
1
Patents All Time