Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710685 | Magnetic head main pole with leading and trailing edges of different lengths and progessively increasing cross-sectional area in a height-direction | Atsushi Kato, Norihiro Ookawa, Kikuo Kusukawa | 2010-05-04 |
| 7676186 | Toner cartridge and mechanism of installing and removing the same | — | 2010-03-09 |
| 7583917 | Toner container | Takafumi Amano | 2009-09-01 |
| 7535675 | Magnetic recording head with shaped pole | Nobuo Yoshida, Isao Nunokawa, Kimitoshi Etoh | 2009-05-19 |
| 7405905 | Perpendicular magnetic recording and reproducing head | Kazuhiro Nakamoto, Yoshiaki Kawato, Nobuo Yoshida | 2008-07-29 |
| 7400848 | Toner cartridge and mechanism of installing and removing the same | — | 2008-07-15 |
| 7389578 | Manufacturing method of a perpendicular recording magnetic head | Kimitoshi Etoh, Kikuo Kusukawa, Tomohiro Okada | 2008-06-24 |
| 7351445 | Magnetic recording media and method of forming them | Chiseki Haginoya, Kaori Suzuki, Masaaki Futamoto, Hideo Matsuyama | 2008-04-01 |
| 7305201 | Image forming apparatus having a cooling structure | — | 2007-12-04 |
| 7302213 | Toner container | Takafumi Amano | 2007-11-27 |
| 7284716 | Agitating device, and dispersing apparatus using the agitating device | Mitsuru Nakano, Shoji Fukushima | 2007-10-23 |
| 7203032 | Magnetic recording head and fabrication process | Moriaki Fuyama | 2007-04-10 |
| 7145750 | Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing system | Kazuhiro Nakamoto, Yoshiaki Kawato, Nobuo Yoshida | 2006-12-05 |
| 7097924 | Magnetic recording media and method of forming them | Chiseki Haginoya, Kaori Suzuki, Masaaki Futamoto, Hideo Matsuyama | 2006-08-29 |
| 7089648 | Method for fabricating a magnetoresistive head | Kenichi Meguro, Katsuro Watanabe | 2006-08-15 |
| 6937449 | Spin-valve head containing closed-flux-structure domain control films | Hiroyuki Hoshiya, Masahiko Hatatani, Hiroshi Ide | 2005-08-30 |
| 6858977 | Cathode-ray tube and cathode-ray tube manufacturing method | Tsuneharu Nomura, Norihiro Ohse, Tomohiko Abe, Michihisa Yano, Seiji Kawaberi +1 more | 2005-02-22 |
| 6778363 | Magnetoresistive head having longitudinal biasing by providing undirectional magnetic anisotropy | Kenichi Meguro, Katsuro Watanabe | 2004-08-17 |
| 6643105 | Magnetic head having magnetic shield layers | Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Katsuro Watanabe +2 more | 2003-11-04 |
| 6516172 | Method and apparatus for collecting discharged toner from a discharged toner box with a discharged toner nozzle and a connecting portion | — | 2003-02-04 |
| 6456466 | Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head | Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Katsuro Watanabe +2 more | 2002-09-24 |
| 6415110 | Image forming apparatus and method with automatic size and orientation determination | — | 2002-07-02 |
| D452264 | Toner cartridge | Akira Sato, Tadao Kamano | 2001-12-18 |
| 6239249 | Method for producing a copolymerized polyester resin | Fumio Keitoku, Toshio Kanbe, Koichi Ikeyama | 2001-05-29 |
| 6229976 | Exchangeable toner cartridge having an auger and a regulation member | — | 2001-05-08 |