Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496614 | Magnetic recording medium | Yasushi Nakano, Yuji Shimizu, Tohru Miyake | 1996-03-05 |
| 5482762 | Magnetic recording medium | Yasushi Nakano, Yuji Shimizu, Shoichi Sugitani | 1996-01-09 |
| 5336559 | Magnetic recording medium | Hiroaki Yamagishi, Yasushi Nakano, Noboru Koyama | 1994-08-09 |
| 5188907 | Magnetic recording medium | Yasushi Nakano, Yuji Shimizu, Yasuhisa Yamauchi | 1993-02-23 |
| 5151323 | Magnetic recording medium and manufacturing method thereof | Yasushi Nakano, Noboru Koyama | 1992-09-29 |
| 5116683 | Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester | Noboru Koyama, Rieko Ren, Kenji Kumamoto, Noboru Nakajima | 1992-05-26 |
| 5097792 | Coating apparatus | Masahiro Umemura, Takemasa Namiki, Seiichi Tobisawa, Shigetoshi Kawabe, Takeshi Nakajima +2 more | 1992-03-24 |
| 5098785 | Magnetic recording medium containing a copolymer having an anionic functional group which forms an intermolecular salt | Takafumi Yanagita, Tsutomu Kempo, Narito Goto, Takuo Nishikawa, Noboru Koyama +1 more | 1992-03-24 |
| 5093192 | Magnetic recording medium | Yasushi Nakano, Noboru Koyama, Masahiro Umemura | 1992-03-03 |
| 5093193 | Magnetic recording medium and method of making it | Noboru Koyama, Yasushi Nakano | 1992-03-03 |
| 5089333 | Magnetic recording medium | Noboru Koyama, Yasushi Nakano, Noboru Nakajima | 1992-02-18 |
| 5084335 | Magnetic recording medium comprising upper and lower magnetic layers | Yasushi Nakano, Kikuo Oonuma, Masahiro Umemura, Seiichi Tobisawa, Takeshi Nakajima | 1992-01-28 |
| 5051291 | Magnetic recording medium | Yasushi Nakano, Noboru Koyama | 1991-09-24 |
| 5035856 | Magnetic recording medium | Noboru Koyama, Yasushi Nakano, Yoshitaka Yasufuku, Takemasa Namiki, Shigetoshi Kawabe +1 more | 1991-07-30 |
| 5026598 | Magnetic recording medium | Noboru Koyama, Yasushi Nakano, Noboru Nakajima | 1991-06-25 |
| 4992330 | Magnetic recording medium | Noboru Koyama, Yasushi Nakano, Noboru Nakajima | 1991-02-12 |