Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476000 | Method of making a magnetic film target for sputtering | Makoto Nagao, Akira Nahara | 1984-10-09 |
| 4459392 | Method of making and polymer of heat resistant polyester using diglycidilhydantoins, diglycidiluracils, diglycidilbarbituric and isocyanuric acids | Takumi Tanaka | 1984-07-10 |
| 4459391 | Method of making and a polymer of heat resistant polyester using diglycidil substituted diimides | — | 1984-07-10 |
| 4459390 | Method of making and polymer of heat resistant polyester using diglycidilarylimidazolones, and diglycidilalkyl ureas | Takumi Tanaka | 1984-07-10 |
| 4419404 | Magnetic recording media and process of producing them | Akira Nahara | 1983-12-06 |
| 4374961 | Method for manufacturing heat-stable polyesters using phosphonic acid compounds with cyclic carbonates and catalyst | Kazushige Kudo, Ryoichi Tsurutani, Shun-ichi Kiriyama | 1983-02-22 |
| 4367257 | Thin magnetic recording medium | Makoto Nagao, Akira Nahara | 1983-01-04 |
| 4358806 | Magnetic recording and reproducing method and magnetic recording medium therefor | — | 1982-11-09 |
| 4351010 | Magnetic recording medium having a vertical axis of easy magnetization | — | 1982-09-21 |