Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946729 | Resin composition and magnetic recording medium employing the composition | Shigeru Shimada, Toshiaki Ide, Hiroyuki Arioka, Yuichi Kubota | 1990-08-07 |
| 4837116 | Magnetic recording medium and recording/reproducing method therefor | Hiroyuki Arioka, Suguru Takayama | 1989-06-06 |
| 4835032 | Magnetic recording medium and recording/reproducing method therefor | Hiroyuki Arioka, Suguru Takayama | 1989-05-30 |
| 4828899 | Magnetic recording medium and recording/reproducing method thereof | Hiroyuki Arioka, Suguru Takayama | 1989-05-09 |
| 4810555 | Magnetic recording medium | Toru Shimozawa, Shigeyo Miyamori | 1989-03-07 |
| 4780366 | Magnetic recording medium for image recording | Hiroyuki Arioka, Keiji Koga | 1988-10-25 |
| 4778707 | Magnetic recording medium and recording/reproducing method therefor | Hiroyuki Arioka, Suguru Takayama | 1988-10-18 |
| 4772522 | Magnetic recording medium | Yuichi Kubota, Kazunori Tamazaki, Keiji Koga, Toru Shimozawa | 1988-09-20 |
| 4759966 | Coating type perpendicular magnetic recording medium for digital recording | Toru Shimozawa, Shigeyo Miyamori | 1988-07-26 |
| 4746558 | Magnetic recording medium | Toru Shimozawa, Kazunori Tamazaki | 1988-05-24 |
| 4741954 | Magnetic recording medium | Toshiaki Ide, Tohru Shimozawa | 1988-05-03 |
| 4735844 | Magnetic recording medium | Toshiaki Ide, Tohru Shimozawa | 1988-04-05 |
| 4734326 | Magnetic recording medium | Hiroyuki Arioka, Toshiaki Ide | 1988-03-29 |
| 4726990 | Magnetic recording medium | Toru Shimozawa, Shigeyo Miyamori | 1988-02-23 |
| 4720411 | Magnetic recording medium | Toru Shimozawa, Shigeyo Miyamori | 1988-01-19 |
| 4708909 | Radiation-curable, magnetic coating material and magnetic recording medium using the same | Akira Ohtsuki, Ryozo Konno, Nobumori Kanno, Makio Sugai, Takashi Mihoya +4 more | 1987-11-24 |
| 4702959 | Magnetic recording medium | Toru Shimozawa, Yoshiaki Saito | 1987-10-27 |
| 4701375 | Magnetic recording medium | Suguru Takayama, Hiroyuki Arioka | 1987-10-20 |
| 4699819 | Magnetic recording medium | Toshiaki Ide, Tohru Shimozawa | 1987-10-13 |
| 4693934 | Magnetic recording medium for image recording | Hiroyuki Arioka, Hideki Ishizaki | 1987-09-15 |
| 4678708 | Magnetic recording medium | Shigeru Shimada, Hiroyuki Arioka, Yuichi Kubota | 1987-07-07 |
| 4677023 | Magnetic recording medium | Hideki Ishizaki, Osamu Hasegawa | 1987-06-30 |
| 4670340 | Magnetic recording medium and method | Yukihiro Isobe, Kazushi Tanaka, Osamu Shinoura, Yuichi Kubota | 1987-06-02 |
| 4639389 | Magnetic recording medium | Toshiaki Ide, Hiroyuki Arioka | 1987-01-27 |
| 4637963 | Magnetic recording medium and method for making | Toshiaki Ide, Yoshiaki Saito, Yuichi Kubota | 1987-01-20 |