Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8384821 | Apparatus, method, and program product for autofocus including a contrast obtaining unit that obtains a focus contrast and a control unit that controls a focus lens according to the focus contrast | Takeshi Ohtsuki | 2013-02-26 |
| 6590741 | Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus | Kenji Hasegawa, Hiroyuki Hasegawa, Eisuke Sawai, Ken Takahashi | 2003-07-08 |
| 6150044 | Magnetic head | Hiroyuki Hasegawa, Ken Takahashi, Akihiro Ashida, Eisuke Sawai | 2000-11-21 |
| 5048687 | Heat-shrunk protective packaging for multiple units | Migaku Suzuki, Kazuo Ito, Chikako Minai | 1991-09-17 |