Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7742219 | Micromachine structure | Hironori Tomita, Yoshihiro Mushika | 2010-06-22 |
| 7538471 | Microactuator having increased rigidity with reduced mass | Yoshihiro Mushika, Osamu Kajino | 2009-05-26 |
| 6902055 | Disk cartridge | Eiichi Hanakawa, Tohru Nakamura | 2005-06-07 |
| 6865060 | Disk drive device having a lifting plate configured to lift a magnetic head supporting member | Eiichi Hanakawa, Hitoshi Minabe, Tomio Yamamoto | 2005-03-08 |
| 6643243 | Disk drive unit with part of feed motor coinciding in height with loaded disk cartridge | Eiichi Hanakawa, Hitoshi Minabe, Tomio Yamamoto | 2003-11-04 |
| 6529462 | Disk loading device and disk adaptor | Eiichi Hanakawa, Shinichi Maeda, Kohzoh Ezawa | 2003-03-04 |
| 6526018 | Disk cartridge | Eiichi Hanakawa, Hitoshi Minabe, Tomio Yamamoto | 2003-02-25 |
| 6495235 | Optical disk, substrate of the same, and mold for forming the substrate | Kiyoshi Uchida, Tomio Yamamoto, Eiichi Hanakawa | 2002-12-17 |
| 6272093 | Disk loading device and disk adaptor | Eiichi Hanakawa, Shinichi Maeda, Kohzoh Ezawa | 2001-08-07 |
| 6262961 | Disk loading device and disk cartridge | Shinichi Maeda, Yasuhisa Fukushima, Kozo Ezawa, Makoto Fujita, Yoshiaki Nakatsuka +1 more | 2001-07-17 |
| 6215760 | Method and apparatus for using a disk cartridge with pull-out type case | Eiichi Hanakawa, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 2001-04-10 |
| 6118751 | Disk cartridge, disk drive and disk changer apparatus using the disk cartridge, and method for handling the disk cartridge | Eiichi Hanakawa, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 2000-09-12 |
| 5936935 | Disk cartridge having a locking means and cartridge coupling means | Eiichi Hanakawa, Hiroyuki Takeuchi, Hironori Okazawa, Yoshikazu Goto | 1999-08-10 |
| 5025474 | Speaker system with image projection screen | Tsuneo Tanaka, Kazue Sato, Hiroyuki Takewa, Tadashi Tamura, Katsuji Hattori +6 more | 1991-06-18 |