Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983792 | Device for detecting matters printed with infrared ray reflective and absorptive ink | Shigetomo Yoshijima, Takashi Uemura, Masaaki Hayashi | 1999-11-16 |
| 4996677 | Multichannel magnetic and optical linear head | Masaaki Hayashi | 1991-02-26 |
| 4940938 | Method and device for measuring characteristic magnetic distribution of a magnetic thin film using a magnetic head | Shuji Tanabe, Toru Nakashima | 1990-07-10 |
| 4863196 | Certification identifying medium | Kazuhiko Ohnishi | 1989-09-05 |
| 4855584 | Method for identifying certification identifying media | Hiroshi Tomiyama | 1989-08-08 |