Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682046 | Heterojunction bipolar semiconductor device and its manufacturing method | Hiroshi Yamada, Kazukiyo Joshin, Shigehiko Sasa | 1997-10-28 |
| 5636082 | Rotating disk storage device with cooling air flow control | Takeshi Shibuya, Naoki Maeda, Kouki Uefune | 1997-06-03 |
| 5625777 | Data storage system having plural external storage units capable of disconnection while keeping system power energized | Isamu Tomita | 1997-04-29 |