Issued Patents 2004
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818331 | Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus | Akira Sakawaki, Kenji Shimizu, Hiro Mochizuki, Masato Kokubu, Hui Yang +1 more | 2004-11-16 |
| 6815097 | Magnetic recording medium | Toshihiko Yoshikawa, Akira Sakawaki | 2004-11-09 |
| 6808830 | Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus | Akira Sakawaki | 2004-10-26 |
| 6805981 | Perpendicular magnetic recording medium and perpendicular magnetic recording-reproducing apparatus | Hideo Ogiwara, Takashi Hikosaka, Soichi Oikawa, Kenji Shimizu | 2004-10-19 |
| 6799790 | Automatically opening and closing system for vehicle | Yasushi Yoshida, Takashi Hoshino, Seiji Shioiri, Takao Ochiai, Hideyuki Ogawa | 2004-10-05 |
| 6798671 | Switching power supply unit | — | 2004-09-28 |
| 6761982 | Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus | Akira Sakawaki | 2004-07-13 |
| 6731957 | Wireless communication device capable of saving battery power by switching communication mode | Michio Shamoto, Masao Tsujii | 2004-05-04 |
| 6729446 | Solenoid-operated driving apparatus and damping force control type hydraulic shock absorber using the same | Takashi Nezu | 2004-05-04 |
| 6723458 | Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus | Kenji Shimizu, Akira Sakawaki, Hui Yang, Hiro Mochizuki, Takashi Hikosaka +1 more | 2004-04-20 |
| 6717303 | Electric actuator | Takao Ochiai, Yukiyoshi Iso | 2004-04-06 |
| 6699600 | Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings | Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Soichi Oikawa | 2004-03-02 |
| 6686072 | Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus | Akira Sakawaki, Masato Kokubu | 2004-02-03 |
| 6682826 | Magnetic recording medium, method of manufacturing therefor, and magnetic read/write apparatus | Kenji Shimizu, Akira Sakawaki, Hiro Mochizuki, Soichi Oikawa, Takashi Hikosaka | 2004-01-27 |
| 6680133 | Magnetic recording medium and sputtering target | Akira Sakawaki, Masakazu Kobayashi | 2004-01-20 |
| 6677061 | Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus | Kenji Shimizu, Akira Sakawaki | 2004-01-13 |