Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11496013 | Rotating electrical machine stator and method for manufacturing rotating electrical machine stator | Kiyotaka Koga, Tomotsugu Sugihara, Tetsuya Funayama, Takahiro KOBUCHI | 2022-11-08 |
| 11043863 | Rotor manufacturing method | Hideharu USHIDA, Tetsuya Matsubara, Tetsuya Takahashi | 2021-06-22 |
| 10714995 | Rotor for rotary electric machine and manufacturing method | Yoshihisa Yamamoto, Yoshinari Nakagawa, Yasunari FURUTA | 2020-07-14 |
| 10658892 | Rotor for rotating electrical machine | — | 2020-05-19 |
| 6607848 | Magnetic recording medium and magnetic recording device | Masahiro Oka | 2003-08-19 |
| 6365012 | Magnetic recording medium and a method of manufacturing the same | Toshiyuki Sato | 2002-04-02 |
| 6132843 | Glass substrate for magnetic disks | Yasunao Kuroda, Yoshihiro Matsuno, Akihiro Koyama, Jyunji Kurachi | 2000-10-17 |
| 5638479 | Optical part | Manabu Takami, Noboru Akazawa, Atsunori Matsuda, Yoshihiro Matsuno, Toshio Tsuno | 1997-06-10 |
| 5427867 | Substrate used for magnetic disk and magnetic recording medium using the substrate | Toshihiro Kogure, Tomoyasu Shimizu, Toshiyuki Sato | 1995-06-27 |
| 5234717 | Process for producing a minute-patterned substrate | Yoshihiro Matsuno, Atsunori Matsuda | 1993-08-10 |
| 5055359 | Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer | Toshio Tsuno, Shinya Kawakita, Tomoyasu Shimizu | 1991-10-08 |
| 4810547 | Substrate with fine grooves and method for manufacturing the same | Tsutomu Minami, Noboru Tohge, Yoshihiro Matsuno | 1989-03-07 |