Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512590 | Rotating machine, bonded magnet, magnet roll, and method for producing sintered ferrite magnet | Hiroshi Iwasaki, Yoshinori Kobayashi, Naoki Mochi, Ryuji Gotoh | 2013-08-20 |
| 8303837 | Rotating machine, bonded magnet, magnet roll, and method for producing sintered ferrite magnet | Hiroshi Iwasaki, Yoshinori Kobayashi, Naoki Mochi, Ryuji Gotoh | 2012-11-06 |
| 8021567 | Oxide-type, magnetic material and it's production method, and sintered ferrite magnet and it's production method | Hiroshi Iwasaki, Naoki Mochi | 2011-09-20 |
| 7906036 | Ferrite sintered magnet | Yasunobu Ogata | 2011-03-15 |
| 7837893 | Oxide-type, magnetic material and its production method, and sintered ferrite magnet and its production method | Hiroshi Iwasaki, Naoki Mochi | 2010-11-23 |
| 7169319 | Anisotropic, sintered ferrite magnet and method for producing the same | Yutaka Kubota, Yasunobu Ogata | 2007-01-30 |
| 6858156 | Ferrite magnet and both rotor and magnet roll comprising the same | Yutaka Kubota, Yasunobu Ogata | 2005-02-22 |
| 6737011 | Method for producing ferrite magnet | Yutaka Kubota, Yasunobu Ogata | 2004-05-18 |
| 6383407 | Bonded magnet, magnet roll, a ferrite powder used therefor and method for producing same | Yasunobu Ogata, Yutaka Kubota, Shuichi Shiina | 2002-05-07 |
| 6284150 | Bonded magnet, magnet roll, a ferrite powder used therefor and method for producing same | Yasunobu Ogata, Yutaka Kubota, Shuichi Shiina | 2001-09-04 |
| 5958284 | Ferrite magnet and method for producing same | Yutaka Kubota, Yasunobu Ogata | 1999-09-28 |