Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8980450 | Lubricant and magnetic disk | — | 2015-03-17 |
| 8936859 | Cyclophosphazene compound, lubricant comprising same, and magnetic disk | Tsuyoshi Shimizu | 2015-01-20 |
| 8734966 | Fluoropolyether compound, lubricant and magnetic disk each containing the same | Ryosuke SAGATA, Tsuyoshi Shimizu, Tomomi HATTA | 2014-05-27 |
| 8679656 | Lubricant and magnetic disk | Tsuyoshi Shimizu | 2014-03-25 |
| 8679655 | Lubricant and magnetic disk | — | 2014-03-25 |
| 8668995 | Fluoropolyether compound, lubricant and magnetic disk each containing the same | Tsuyoshi Shimizu | 2014-03-11 |
| 8039132 | Perfluoropolyether compound, and lubricant and magnetic disk each using the same | Tsuyoshi Shimizu, Kazunori Shirai | 2011-10-18 |
| 6608009 | Phosphazene compounds and lubricants containing the same | Tamio Akada, Yoshinobu Fujii, Rie Fujimoto | 2003-08-19 |
| 6541431 | Lubricant for magnetic recording medium | Tamio Akada, Yoshinobu Fujii, Rie Fujimoto | 2003-04-01 |