Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687038 | Servo method and device for controlling head position for a hard disk drive | Kenji Ogasawara, Kenichiroh Satoh | 1997-11-11 |
| 5681265 | Cylindrical anal retractor | Koutarou Maeda | 1997-10-28 |