Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8304133 | Method for producing a polymer electrolyte membrane | Kousuke Sasai, Hiroki Yamaguchi, Yoshimitsu Sakaguchi, Masahiro Yamashita | 2012-11-06 |
| 7835109 | Tape guiding mechanism, magnetic tape apparatus, and method for manufacturing magnetic tape | — | 2010-11-16 |
| 7159814 | Magnetic tape cartridge | Hideaki Shiga, Hidetoshi Yamamoto | 2007-01-09 |
| 7093354 | Magnetic tape cartridge | Yasushi Hatano, Hidetoshi Yamamoto, Hideaki Shiga, Seiji Tsuyuki, Yusuke Ishihara | 2006-08-22 |
| 7073743 | Magnetic tape cartridge | Hideaki Shiga, Hidetoshi Yamamoto | 2006-07-11 |
| 7064926 | Cartridge case with chip retaining features | Seiji Tsuyuki, Hidetoshi Yamamoto, Yusuke Ishihara | 2006-06-20 |
| 6971604 | Magnetic tape cartridge | Hideaki Shiga, Hidetoshi Yamamoto | 2005-12-06 |
| 6891183 | Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus | Tadashi Takahara, Kenji Ishikawa, Novuo Takahashi | 2005-05-10 |
| 6829956 | Inspection apparatus | — | 2004-12-14 |
| 6796521 | Magnetic tape cartridge | Hideaki Shiga, Hidetoshi Yamamoto | 2004-09-28 |
| 6779242 | Method for assembling, magnetic tape cartridge | Yasushi Hatano, Hidetoshi Yamamoto, Hideaki Shiga, Seiji Tsuyuki, Yusuke Ishihara | 2004-08-24 |
| 6768128 | Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus | Tadashi Takahara, Kenji Ishikawa, Novuo Takahashi | 2004-07-27 |
| 6750446 | Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatus | Tadashi Takahara, Kenji Ishikawa, Novuo Takahashi | 2004-06-15 |