Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9117581 | Method of manufacturing magnetic powder | Kazufumi Omura | 2015-08-25 |
| 8965157 | Semiconductor pointed structure and method for fabricating same, spot size converter, and non-reflective terminator | Youichi Sakakibara, Ryohei Takei, Toshihiro Kamei | 2015-02-24 |
| 8840802 | Method of manufacturing hexagonal ferrite magnetic powder, magnetic recording medium and method of manufacturing the same | Hiroyuki Suzuki | 2014-09-23 |
| 8681451 | Magnetic tape and method of manufacturing the same, and magnetic recording device | Takeshi Harasawa | 2014-03-25 |
| 8668050 | Lubrication-condition detector, lubricant feeder, injection molding machine and method of detecting lubrication-condition | Harumichi Tokuyama, Makoto Takami, Haruhiko Kikuchi, Akira Yoshinaga, Noriyuki Sasaki +1 more | 2014-03-11 |
| 8503836 | Wavelength domain optical switch | Hiroshi Ishikawa, Toshifumi Hasama, Hitoshi Kawashima, Kenji Kintaka, Hisato Uetsuka +2 more | 2013-08-06 |
| 8479886 | Lubrication-condition detector, lubricant feeder, injection molding machine and method of detecting lubrication-condition | Harumichi Tokuyama, Makoto Takami, Haruhiko Kikuchi, Akira Yoshinaga, Noriyuki Sasaki +1 more | 2013-07-09 |
| 8355813 | Machining status monitoring method and machining status monitoring apparatus | Xiaodong Tian, Bingyan Zhao, Makoto Fujishima, Zhe Jin | 2013-01-15 |
| 8229258 | Optical waveguide-type wavelength domain switch | Hiroshi Ishikawa, Toshifumi Hasama, Hitoshi Kawashima, Kenji Kintaka, Hisato Uetsuka +2 more | 2012-07-24 |
| 8180476 | Machining state checking method and machining state checking apparatus | Xiaodong Tian, Bingyan Zhao, Makoto Fujishima, Zhe Jin | 2012-05-15 |
| 8180477 | Machining status monitoring method and machining status monitoring apparatus | Xiaodong Tian, Bingyan Zhao, Makoto Fujishima, Zhe Jin | 2012-05-15 |
| 8153283 | Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material | Kazufumi Omura | 2012-04-10 |
| 7737304 | Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium | Kazufumi Omura, Katsumi Araki, Masataka Yoshizawa | 2010-06-15 |
| 7737305 | Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium | Kazufumi Omura, Katsumi Araki, Masataka Yoshizawa | 2010-06-15 |
| 7690480 | Soundproof material | Akimasa Tanaka | 2010-04-06 |
| 7567736 | Waveguide type wavelength domain optical switch | Hiroshi Ishikawa, Toshifumi Hasama, Hisato Uetsuka | 2009-07-28 |
| 7449257 | Magnetic recording medium and production process therefor | Hiroshi Hashimoto, Yuichiro Murayama | 2008-11-11 |
| 7128989 | Magnetic recording medium | Hiroshi Hashimoto, Katsuhiko Meguro, Yuichiro Murayama | 2006-10-31 |
| 6905753 | Magnetic recording medium | Kiyomi Ejiri | 2005-06-14 |
| 6790511 | Magnetic recording medium | — | 2004-09-14 |
| 6773788 | Magnetic recording medium | Kiyomi Ejiri | 2004-08-10 |
| 6726986 | Magnetic recording medium | — | 2004-04-27 |
| 6682800 | Magnetic recording medium | Hiroshi Hashimoto, Takeshi Harasawa | 2004-01-27 |
| 6558772 | Magnetic recording medium and method of manufacturing same | Kiyomi Ejiri | 2003-05-06 |
| 6543946 | Combination printer | Fumihisa Hori, Tsuyoshi Miyano | 2003-04-08 |