Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139765 | Magnetic powder, permanent magnet produced therefrom and process for producing them | Atsunori Kitazawa, Toshiyuki Ishibashi | 2000-10-31 |
| 6136099 | Rare earth-iron series permanent magnets and method of preparation | Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki, Osamu Kobayashi | 2000-10-24 |
| 5888417 | Rare earth bonded magnet and composition therefor | Hayato SHIRAI, Ken Ikuma | 1999-03-30 |
| 5888416 | Rare-earth bonded magnet composition, rare-earth bonded magnet and process for producing said rare-earth bonded magnet | Ken Ikuma, Toshiyuki Ishibashi | 1999-03-30 |
| 5733580 | Dies for extrusion moulding | Ken Ikuma, Masaaki Sakata, Tatsuya Smimoda | 1998-03-31 |
| 5647886 | Magnetic powder, permanent magnet produced therefrom and process for producing them | Atsunori Kitazawa, Toshiyuki Ishibashi | 1997-07-15 |
| 5597425 | Rare earth cast alloy permanent magnets and methods of preparation | Osamu Kobayashi, Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki | 1997-01-28 |
| 5565043 | Rare earth cast alloy permanent magnets and methods of preparation | Osamu Kobayashi, Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki | 1996-10-15 |
| 5560784 | Rare earth cast alloy permanent magnets and methods of preparation | Osamu Kobayashi, Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki | 1996-10-01 |
| 5538565 | Rare earth cast alloy permanent magnets and methods of preparation | Osamu Kobayashi, Tatsuya Shimoda, Toshiyuki Ishibashi, Ryuichi Ozaki | 1996-07-23 |
| 5536334 | Permanent magnet and a manufacturing method thereof | Osamu Kobayashi, Tatsuya Shimoda, Toshiaki Yamagami, Nobuyasu Kawai | 1996-07-16 |
| 5460662 | Permanent magnet and method of production | Osamu Kobayashi, Tatsuya Shimoda | 1995-10-24 |
| 5352302 | Method of producing a rare-earth permanent magnet | Fumio Takagi, Osamu Kobayashi, Akira Arai, Seiji Ihara | 1994-10-04 |
| 5213631 | Rare earth-iron system permanent magnet and process for producing the same | Osamu Kobayashi, Tatsuya Shimoda | 1993-05-25 |
| 5186761 | Magnetic alloy and method of production | Osamu Kobayashi, Tatsuya Shimoda | 1993-02-16 |
| 5125988 | Rare earth-iron system permanent magnet and process for producing the same | Osamu Kobayashi, Tatsuya Shimoda | 1992-06-30 |
| 5076861 | Permanent magnet and method of production | Osamu Kobayashi, Tatsuya Shimoda | 1991-12-31 |
| 5062095 | Actuator and method of manufacturing thereof | Mitsuhiro Horikawa, Hiroshi Ito, Tsugio Ide, Michio Yanagisawa, Tatsuya Shimoda | 1991-10-29 |