Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613625 | Filler for resinous composition, filler-containing slurry composition and filler-containing resinous composition | Shinta HAGIMOTO, Nobutaka Tomita | 2023-03-28 |
| 9617619 | Hydrometallurgical process for nickel oxide ore | Yoshiteru SATO, Isao Nishikawa, Hirotaka Higuchi, Izumi Sugita | 2017-04-11 |
| 9512503 | Method for neutralizing sulfuric acid acidic solution and hydrometallurgical method for nickel oxide ore | Shinichiro Nakamura | 2016-12-06 |
| 9446679 | Battery system, electric vehicle, mobile unit, electric power storage device and power supply device | Shinya Kataoka, Tsuyoshi Watanabe | 2016-09-20 |
| 8148281 | Titanium carbide powder and titanium carbide-ceramics composite powder and method for production thereof, and sintered compact from the titanium carbide powder and sintered compact from the titanium carbide/ceramics composite powders and method for production thereof | Yoko Taniguchi, Teruhisa Makino, Kunitaka Fujiyoshi, Toru Okui, Yusuke Hara | 2012-04-03 |
| 7915187 | Titanium carbide powder and titanium carbide-ceramics composite powder and method for production thereof, and sintered compact from the titanium carbide powder and sintered compact from the titanium carbide/ceramics composite powders and method for production thereof | Yoko Taniguchi, Teruhisa Makino, Kunitaka Fujiyoshi, Toru Okui, Yusuke Hara | 2011-03-29 |
| 6693250 | Hybrid gas insulation switchgear apparatus | Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Kazutoshi Ogata | 2004-02-17 |
| 6625099 | Optical pick-up device | — | 2003-09-23 |
| 6577583 | Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses | Tetsuo Ikegame | 2003-06-10 |
| 6544663 | Electrodeposited copper foil | Takashi Kataoka, Sakiko Taenaka, Naohito Uchida, Noriko Hanzawa | 2003-04-08 |
| 6544664 | Copper foil for printed wiring board | Naotomi Takahashi, Yoichi Babasaki, Tsutomu Higuchi, Hiroshi Watanabe, Masaru Takahashi +1 more | 2003-04-08 |
| 6521855 | Hybrid gas insulation switchgear apparatus | Kozo Matsushita, Katsumi Suzuki, Hiroshi Furuta, Kenji Arai, Kazutoshi Ogata | 2003-02-18 |
| 6385157 | Optical pick-up device | — | 2002-05-07 |
| 6356518 | Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses | Tetsuo Ikegame | 2002-03-12 |
| 6229778 | Information recording and/or reproducing apparatus for optical disks having various protective layer thicknesses | Tetsuo Ikegame | 2001-05-08 |
| 5914285 | Substrate material for a magnetic head | Toyoshige Sasaki, Shigeki Mohri, Shin Mishima, Shigeru Kawahara, Naoyuki Okamoto | 1999-06-22 |
| 5804797 | PTC planar heater and method for adjusting the resistance of the same | Takashi Kaimoto, Masanori Saito, Koichi Inenaga | 1998-09-08 |
| 5612790 | Method and apparatus for multiplexed video data reading in video library system | Hideki Sakamoto, Kazutoshi Nishimura, Hideharu Suzuki, Tomoaki Kawaguchi, Tatsuo Mori | 1997-03-18 |
| 5595946 | Substrate materials for magnetic heads with low flying height | Shinji Tsujimoto, Shin Mishima, Shigeru Kawahara, Shigeki Mohri, Toyoshige Sasaki +1 more | 1997-01-21 |
| 5595947 | Substrate materials for magnetic head | Shinji Tsujimoto, Shin Mishima, Shigeru Kawahara, Toshiaki Wada, Michito Miyahara +2 more | 1997-01-21 |
| 5325893 | Air duct and paper therefor | Akinobu Takagi, Isao Ohtake, Toru Murakami | 1994-07-05 |
| 5159588 | Optical pick-up | Tetsuo Ikegame | 1992-10-27 |
| 5124868 | Magneto-optic player with improved C/N ratio | Nobuhide Matsubayashi | 1992-06-23 |
| 5044128 | Magnetically-polishing machine and process | — | 1991-09-03 |
| 5009843 | Spring steel having good durability and sag-resistance | Atsushi Sugimoto, Shigeru Yasuda, Chikatoshi Maeda, Toshio Ozone, Makoto Kawagoe | 1991-04-23 |