Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885681 | I/O Execution method for a virtual machine system and system therefor | Hidenori Umeno, Takashige Kubo, Nobutaka Hagiwara, Hiroaki Sato | 1989-12-05 |
HS
Hideo Sawamoto
Hitachi: 26 patents #1,179 of 28,497Top 5%
Hitachi Microcomputer System: 2 patents #67 of 257Top 30%
Overall (All Time): #156,268 of 4,157,543Top 4%
26
Patents All Time