Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338407 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Ayano ASANO, Natsumi SHIBATA | 2025-06-24 |
| 12129445 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi | 2024-10-29 |
| 12100434 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Tsuyoshi Kato, Ayano ASANO, Natsumi SHIBATA, Naoya FUKUMOTO | 2024-09-24 |
| 12057151 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi, Masaki Nanko, Natsumi SHIBATA | 2024-08-06 |
| 11912824 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi | 2024-02-27 |
| 11845906 | Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi | 2023-12-19 |
| 11820742 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi, 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, Shunya SUZUKI, Masaki Nanko, Naoya FUKUMOTO | 2023-11-21 |
| 11767483 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi | 2023-09-26 |
| 11661408 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, Tsuyoshi Kato, Katsumi Murofushi | 2023-05-30 |
| 11639330 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Masaki Nanko, Naoya FUKUMOTO, Yuta YAMAGUCHI, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2023-05-02 |
| 11427779 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Yuta YAMAGUCHI, Naoya FUKUMOTO, Shoko UETAKE, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2022-08-30 |
| 11279664 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Yuta YAMAGUCHI, Naoya FUKUMOTO, 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, Naoya FUKUMOTO, 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, Naoya FUKUMOTO, Yuta YAMAGUCHI | 2022-01-18 |
| 11220649 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Naoya FUKUMOTO, 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, Naoya FUKUMOTO, Yuta YAMAGUCHI, Masumi Kuritani, Katsumi Murofushi +2 more | 2021-11-23 |
| 11045471 | Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant | Yuko NAKAGAMI, Ryota NIIBAYASHI, Eiko Kato | 2021-06-29 |
| 11011200 | Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium | Shoko UETAKE, Naoya FUKUMOTO, 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 | Naoya FUKUMOTO, Yuta YAMAGUCHI, Shoko UETAKE, Tsuyoshi Kato, Hiroyuki Tomita +2 more | 2020-10-13 |
| 10654882 | Nicotinamide mononucleotide derivative and salt thereof, method for producing same, topical skin preparation, cosmetic and food additive | — | 2020-05-19 |
| 10646487 | Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant | Yuko NAKAGAMI, Ryota NIIBAYASHI, Eiko Kato | 2020-05-12 |
| 10112890 | Compound, salt of compound, external agent for skin, cosmetic, and food additive | Toru Tachibana, Ryota NIIBAYASHI | 2018-10-30 |
| 9051399 | Method for producing polar group-containing olefin copolymers | Yoshikuni Okumura | 2015-06-09 |