Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9691778 | Multiheight contact via structures for a multilevel interconnect structure | Keisuke Izumi, Hiroaki Iuchi, Ryo Taura, Kentaro Sera | 2017-06-27 |
| 9401309 | Multiheight contact via structures for a multilevel interconnect structure | Keisuke Izumi, Naohito Yanagida, Michiaki Sano, Takehiro Yamazaki, Hiroaki Iuchi +2 more | 2016-07-26 |
| 9236392 | Multiheight electrically conductive via contacts for a multilevel interconnect structure | Keisuke Izumi, Hiroaki Iuchi, Ryo Taura, Kentaro Sera | 2016-01-12 |
| 5114778 | Magnetic recording medium | Tadashi Yasunaga | 1992-05-19 |
| 5082714 | Magnetic recording media | Yasuo Nishikawa | 1992-01-21 |
| 4990361 | Method for producing magnetic recording medium | Tadashi Yasunaga, Koji Sasazawa | 1991-02-05 |
| 4956229 | Magnetic recording medium | Tadashi Yasunaga, Koji Sasazawa, Makoto Nagao | 1990-09-11 |
| 4948626 | Method for producing thin-film magnetic recording medium | Tadashi Yasunaga, Koji Sasazawa | 1990-08-14 |
| 4923748 | Magnetic recording medium | Tadashi Yasunaga, Koji Sasazawa | 1990-05-08 |
| 4873154 | Magnetic recording medium containing Fe, Co, N and O | Tadashi Yasunaga | 1989-10-10 |
| 4801500 | Magnetic recording medium | Tadashi Yasunaga | 1989-01-31 |
| 4743467 | Method for preparing magnetic recording medium | Ryuji Shirahata | 1988-05-10 |
| 4702938 | Process for producing magnetic recording material | Tadashi Yasunaga, Ryuji Shirahata | 1987-10-27 |
| 4661418 | Magnetic recording medium | Ryuji Shirahata | 1987-04-28 |
| 4604293 | Process for producing magnetic recording medium | Ryuji Shirahata | 1986-08-05 |
| 4588636 | Magnetic recording medium | Ryuji Shirahata, Tatsuji Kitamoto | 1986-05-13 |
| 4557948 | Process for producing magnetic recording materials | Nobuyuki Yamamoto, Masao Yabe, Yasuo Nishikawa, Ryuji Shirahata, Kyoichi Naruo | 1985-12-10 |
| 4511594 | System of manufacturing magnetic recording media | Ryuji Shirahata | 1985-04-16 |
| 4477489 | Method of making magnetic recording medium | Ryuji Shirahata, Tatsuji Kitamoto | 1984-10-16 |
| 4448843 | Magnetic recording medium | Yasuyuki Yamada, Ryuji Shirahata, Tatsuji Kitamoto | 1984-05-15 |
| 4333985 | Magnetic recording medium | Ryuji Shirahata, Tatsuji Kitamoto | 1982-06-08 |