Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628009 | Information retrieval system using hierarchical data-management function | Akira Murata, Masaki Hiraga | 1997-05-06 |
YK
Yasuyo Kikuta
Overall (All Time): #3,715,473 of 4,157,543Top 90%
1
Patents All Time