Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343448 | External magnetic field device for a magnetooptical information recording and reproducing apparatus | Hiroyuki Katayama, Junichiro Nakayama, Takahiro Miyake, Kenji Ohta, Shozo Kobayashi | 1994-08-30 |
| 5338646 | Optical memory device having an improved light reflection or optical memory layer | Junichiro Nakayama, Hiroyuki Katayama, Kazuo Van, Kenji Ohta | 1994-08-16 |
| 5313444 | External magnetic field generation apparatus capable of light intensity modulation and magnetic field modulation | Mitsuo Ishii | 1994-05-17 |
| 5313445 | Reproducing apparatus with suspension supporting a floating-type head with a bevelled slider | Katsuo Wada, Miyuki Onishi, Junichiro Nakayama, Takashi Iwaki, Takeshi Yamaguchi | 1994-05-17 |
| 5303100 | Magnetic disk device with floating-type magnetic head | Junichiro Nakayama, Hiroyuki Katayama, Kenji Ohta | 1994-04-12 |