Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466385 | Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track | Yoshio Umeda, Ryosuke Shimizu, Syuichi Yoshida, Tatsuaki Ishida, Kiyokazu Tohma | 2002-10-15 |
| 6360606 | Piezoelectric sensor device and a method for detecting change in electric constants using the device | Toshikazu Hirota, Takao Ohnishi, Kazuyoshi Shibata | 2002-03-26 |