Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236738 | Method for making magnetic recording media by kneading, dilution kneading, and dispersing a mixture of inorganic grains, binders, and solvents | Haruo Masuda | 1993-08-17 |
| 5075180 | Magnetic recording medium and method for preparing the same | Shinobu Iida, Masaaki Fujiyama | 1991-12-24 |
| 5039554 | Process for preparing a backing layer of a magnetic recording medium which includes the predispersing of a fine .alpha.-Al.sub.2 O.sub.3 powder in a solvent containing a small amount of binder | Hideaki Kosha, Masaaki Fujiyama | 1991-08-13 |
| 5036629 | Method for preparing a magnetic recording medium | Shinobu Iida, Masaaki Fujiyama | 1991-08-06 |
| 4851288 | Magnetic recording system | Kouiti Mochizuki, Masaaki Fujiyama | 1989-07-25 |
| 4812330 | Process for producing a magnetic recording medium | Masaaki Fujiyama | 1989-03-14 |
| 4746559 | Magnetic recording medium | Yasuo Nishikawa | 1988-05-24 |
| 4661421 | Method for preparing a magnetic recording medium | Kunihiko Honda, Masataka Ohta, Ryuji Shirahata | 1987-04-28 |
| 4600638 | Magnetic recording medium | Ryuji Shirahata, Takahito Miyoshi, Masaaki Fujiyama | 1986-07-15 |
| 4578311 | Magnetic recording medium | Ryuji Shirahata, Takahito Miyoshi, Masaaki Fujiyama | 1986-03-25 |