Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706143 | Rotary head cylinder device with fluid bearing | Takafumi Asada, Tadao Shioyama, Kazuyoshi Kurose | 1987-11-10 |
| 4706144 | Rotary head device with fluid bearing | Takafumi Asada, Tadao Shioyama, Yoshiteru Hosokawa | 1987-11-10 |