Issued Patents All Time
Showing 26–50 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593291 | Lubricating oil composition, and sliding mechanism using lubricating oil composition | Yoko Ogahara, Moritsugu Kasai, Hiroaki Koshima, Masanori Tsujioka | 2017-03-14 |
| 8948646 | Electrophotographic image forming apparatus | Takayuki Wakai | 2015-02-03 |
| 8917477 | Disk device | Takahiro Imamura, Shinichi Kobatake | 2014-12-23 |
| 8846823 | Water absorbing agent and production method thereof | Masatoshi Nakamura, Hirofumi Shibata | 2014-09-30 |
| 8805245 | Charging device and image forming apparatus using the same | — | 2014-08-12 |
| 8526139 | Magnetic head and magnetic disk drive including an electrothermal body | Hidekazu Kohira, Kiyoshi Hashimoto, Takanori Yamazaki, Hideaki Tanaka | 2013-09-03 |
| 8309654 | Method of producing particle-shape water-absorbing resin material | Takahiro Kitano, Kunihiko Ishizaki | 2012-11-13 |
| 8247491 | Water-absorbent resin composition and its production process | Kazushi Torii, Yoshiro Mitsukami, Motohiro Imura, Taku Iwamura, Toshimasa Kitayama +6 more | 2012-08-21 |
| 7787216 | Magnetic head slider and disk drive with reduced damage to recording medium | Kiyoshi Hashimoto, Hidekazu Kohira, Takanori Yamazaki | 2010-08-31 |
| 7750085 | Water-absorbing agent and its production process | Kazushi Torii, Kenji Kadonaga, Hirofumi Shibata, Taku Iwamura, Kazuki Kimura +1 more | 2010-07-06 |
| 7679863 | Magnetic head slider with trailing rail surface for flying height control | Kiyoshi Hashimoto, Hidekazu Kohira, Takanori Yamazaki | 2010-03-16 |
| 7649714 | High reliability heater for flying height control | Atsushi Kato, Masayuki Kurita, Toshiya Shiramatsu, Hideaki Tanaka | 2010-01-19 |
| 7420018 | Water-absorbing agent production process with surface crosslinking and ion blocking | Katsuyuki Wada, Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Yasuhiro Fujita +1 more | 2008-09-02 |
| 7347330 | Method for sizing of water-absorbent resin | Yorimichi Dairoku, Kozo Nogi | 2008-03-25 |
| 7288601 | Method for production of water-absorbent resin and plow-shaped mixing device | Kozo Nogi, Masazumi Sasabe, Kenji Kadonaga, Yoshio Irie, Shigeru Sakamoto | 2007-10-30 |
| 7286450 | Light pickup device with center axis and light balancing adjustment | — | 2007-10-23 |
| 7095587 | Magnetic head slider and magnet disk apparatus | Masayuki Kurita, Toshiya Shiramatsu, Hideaki Tanaka, Sunao Yonekawa, Hidekazu Kohira +1 more | 2006-08-22 |
| 6964998 | Water-absorbing agent and its production process and use | Katsuyuki Wada, Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Yasuhiro Fujita +1 more | 2005-11-15 |
| 6866753 | Vacuum arc vapor deposition apparatus and vacuum arc vapor deposition method | — | 2005-03-15 |
| 6816697 | Image forming apparatus with cleaning unit | Masaki Suto, Hiroyuki Mitsu | 2004-11-09 |
| 6807385 | Difference potential preventing image forming apparatus | Masaki Suto, Hiroyuki Mitsu | 2004-10-19 |
| 6692623 | Vacuum arc vapor deposition apparatus and vacuum arc vapor deposition method | — | 2004-02-17 |
| 6667372 | Continuous manufacturing method of water-absorbent polymer | Takumi Hatsuda, Sachio Fujita, Takashi Nishigaki, Kunihiko Ishizaki, Katsuhiro Kajikawa | 2003-12-23 |
| 6656592 | Carbon film and method of forming the same | Yasuo Murakami, Jo Takeuchi, Takahiro Nakahigashi, Kiyoshi Ogata | 2003-12-02 |
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents | Katsuyuki Wada, Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Yasuhiro Fujita +1 more | 2003-07-29 |