Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475302 | Permanent magnet | Wu Mei, Toshiya Sakamoto, Takao Sawa, Akihiko Tsutai, Akiko Saito +1 more | 2002-11-05 |
| 6468440 | Magnet powder and method for producing the same, and bonded magnet using the same | Tomohisa Arai, Masami Okamura, Keisuke Hashimoto, Takahiro Hirai | 2002-10-22 |
| 6416593 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Tomohisa Arai, Masami Okamura, Keisuke Hashimoto, Takahiro Hirai | 2002-07-09 |
| 6406559 | Magnetic material and manufacturing method thereof, and bonded magnet using the same | Takahiro Hirai, Keisuke Hashimoto, Tomohisa Arai | 2002-06-18 |