Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9607741 | Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same | Yasuhiko Fujii, Yasushi Nishio, Yosuke Koyama, Shigeru Takaragi | 2017-03-28 |
| 8741170 | Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same | Yasuhiko Fujii, Yasushi Nishio, Yosuke Koyama, Shigeru Takaragi | 2014-06-03 |
| 6787059 | Resin composition for bonded magnet and bonded magnet using the same | Shigeru Takaragi, Takahiro Araki, Takayoshi Ohara | 2004-09-07 |
| 5922464 | Iron oxide particles | Kazuyuki Hayashi, Hiroko Morii, Koso Aoki | 1999-07-13 |
| 5882795 | Non-magnetic coated particles having a defined parameter .alpha. of not less than 0.5 | Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Hiroko Morii, Mineko Sakoda +2 more | 1999-03-16 |
| 5830557 | Non-magnetic undercoating layer for magnetic recording medium, magnetic recording medium and non-magnetic particles | Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Hiroko Morii, Mineko Sakoda +2 more | 1998-11-03 |
| 5744690 | Method of incinerating combustible wastes and chlorine scavenger | Naruo Yokoyama, Satoru Saito, Suminori Tanaka, Masaharu Nishihara | 1998-04-28 |
| 5693690 | Rubber or resin composition | Kazuyuki Hayashi, Hiroko Morii, Koso Aoki | 1997-12-02 |
| 5686012 | Modified particles | Kazuyuki Hayashi, Hiroko Morii, Mineko Sakoda, Mamoru Kamigaki | 1997-11-11 |
| 5604015 | Non-magnetic undercoat layer for magnetic recording medium, magnetic recording medium and non-magnetic particles | Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Hiroko Morii, Mineko Sakoda +2 more | 1997-02-18 |
| 5587232 | Non-magnetic particles for non-magnetic undercoating layer of magnetic recording medium, non-magnetic undercoating layer containing the same, and magnetic recording medium having the undercoating layer | Kazuyuki Hayashi, Keisuke Iwasaki, Yasuyuki Tanaka, Toshiharu Harada, Masaru Isoai +1 more | 1996-12-24 |
| 5543069 | Magnetic particles for magnetic recording medium and process for producing the same | Kazuyuki Hayashi, Hiroko Morii, Norio Sugita | 1996-08-06 |
| 5484545 | Magnetic particles for magnetic recording medium and process for producing the same | Kazuyuki Hayashi, Hiroko Morii, Norio Sugita | 1996-01-16 |