Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264290 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Natsumi SHIBATA, Tsuyoshi Kato | 2025-04-01 |
| 12129445 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Katsumi Murofushi | 2024-10-29 |
| 12100434 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Ayano ASANO, Natsumi SHIBATA | 2024-09-24 |
| 12057151 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Katsumi Murofushi, Daisuke YAGYU, Masaki Nanko, Natsumi SHIBATA | 2024-08-06 |
| 11912824 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Katsumi Murofushi | 2024-02-27 |
| 11845906 | Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Katsumi Murofushi | 2023-12-19 |
| 11820742 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Katsumi Murofushi, Daisuke YAGYU, Shunya SUZUKI, Ayano ASANO | 2023-11-21 |
| 11820953 | Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium | Natsumi SHIBATA, Tsuyoshi Kato, Daisuke YAGYU, Shunya SUZUKI, Masaki Nanko | 2023-11-21 |
| 11767483 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Katsumi Murofushi | 2023-09-26 |
| 11661478 | Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording medium | Takuya MINAMI, Yoshishige OKUNO, Yuta YAMAGUCHI, Ryuuta Miyasaka, Hiroko Hattori +5 more | 2023-05-30 |
| 11661408 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Tsuyoshi Kato, Katsumi Murofushi | 2023-05-30 |
| 11639330 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Masaki Nanko, Daisuke YAGYU, Yuta YAMAGUCHI, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2023-05-02 |
| 11555005 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Ryuuta Miyasaka, Hiroyuki Tomita, Michio Seri, Naoko Ito, Katsumi Murofushi | 2023-01-17 |
| 11514945 | Lubricant for magnetic recording medium, and method for producing magnetic recording medium | Hiroyuki Tomita, Hiroko Hattori, Ryuuta Miyasaka, Naoko Ito, Ichiro Ota +1 more | 2022-11-29 |
| 11427779 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Yuta YAMAGUCHI, Daisuke YAGYU, Shoko UETAKE, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2022-08-30 |
| 11332686 | Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium | Yuta YAMAGUCHI, Naoko Ito, Katsumi Murofushi | 2022-05-17 |
| 11292979 | Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium | Yuta YAMAGUCHI, Naoko Ito, Hiroyuki Tomita, Ichiro Ota, Katsumi Murofushi | 2022-04-05 |
| 11279664 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Yuta YAMAGUCHI, Tsuyoshi Kato, Shoko UETAKE, Hiroyuki Tomita +4 more | 2022-03-22 |
| 11261394 | Fluorine-containing ether compound, lubricant for magnetic recording media, and magnetic recording medium | Tsuyoshi Kato, Daisuke YAGYU, Masaki Nanko, Masumi Kuritani, Katsumi Murofushi | 2022-03-01 |
| 11225624 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Daisuke YAGYU, Yuta YAMAGUCHI | 2022-01-18 |
| 11220649 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Yuta YAMAGUCHI, Shoko UETAKE, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2022-01-11 |
| 11180457 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Daisuke YAGYU, Yuta YAMAGUCHI, Masumi Kuritani, Katsumi Murofushi +2 more | 2021-11-23 |
| 11011200 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Shoko UETAKE, Daisuke YAGYU, Yuta YAMAGUCHI, Naoko Ito, Hiroyuki Tomita +2 more | 2021-05-18 |
| 10803898 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Daisuke YAGYU, Yuta YAMAGUCHI, Shoko UETAKE, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2020-10-13 |
| 9440907 | Production method for 2-alkenylamine compound | Yoshitaka Ishibashi, Masato Kitamura | 2016-09-13 |