Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587024 | Solid resin-coated magnet powder and a method for producing an anisotropic bonded magnet therefrom | Ryoji Nakayama, Muneaki Watanabe | 1996-12-24 |
| 5543070 | Magnetic recording powder having low curie temperature and high saturation magnetization | Kouichi Ishiyama, Kazunori Igarashi, Norikazu Komada, Kiyoyuki Ookubo | 1996-08-06 |
| 5505794 | Method for heat treating metallic materials and apparatus therefor | Ryoji Nakayama, Shouichi Kubo | 1996-04-09 |
| 5486239 | Method of manufacturing magnetically anisotropic R-T-B-M powder material and method of manufacturing anisotropic magnets using said powder material | Ryoji Nakayama, Yoshinari Ishill | 1996-01-23 |
| 5417773 | Method for producing rare earth alloy magnet powder | Ryoji Nakayama, Yoshinari Ishii, Tamotsu Ogawa | 1995-05-23 |
| 5395462 | Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet | Ryoji Nakayama, Tamotsu Ogawa | 1995-03-07 |
| 5372657 | Amorphous material for regenerator | Yasuhiro Hanaue, Etsuji Kimura, Uichiro Mizutani, Yoshiki Hoshino | 1994-12-13 |
| 5360784 | Method for manufacturing an oxide superconducting tape | Toshio Kimura, Motokazu Suzuki | 1994-11-01 |
| 5354040 | Apparatus for closed cycle hydrogenation recovery and rehydrogenation | Ryoji Nakayama, Shouichi Kubo | 1994-10-11 |
| 5338371 | Rare earth permanent magnet powder, method for producing same and bonded magnet | Ryoji Nakayama, Tamotsu Ogawa | 1994-08-16 |
| 5252549 | Superconductive ceramic wire and method for making same | Tetsuro Yamaguchi, Sadaaki Hagino | 1993-10-12 |
| 5250206 | Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom | Ryoji Nakayama, Tamotsu Ogawa | 1993-10-05 |
| 5236889 | Process for producing Bi-Ca-Sr-Cu-O, TL-Ca-Sr-Cu-O and Tl-Ba-Ca-Cu-O superconducting ceramics | Tadashi Sugihara, Yukihiro Ouchi, Takeshi Sakurai | 1993-08-17 |
| 5228930 | Rare earth permanent magnet power, method for producing same and bonded magnet | Ryoji Nakayama, Tamotsu Ogawa | 1993-07-20 |
| 5211770 | Magnetic recording powder having a high coercive force at room temperatures and a low curie point | Ginya Ishiguro, Kouichi Ishiyama, Yoshinari Ishii, Hachiro Saito, Yasuaki Yoshioka | 1993-05-18 |
| 5207981 | Heat reserving materials usuable at very low temperatures | Yasuhiro Hanaue, Etsuji Kimua, Kouichi Ishiyama, Masashi Nagao, Takashi Inaguchi +1 more | 1993-05-04 |
| 5147447 | Sintered rare earth metal-boron-iron alloy magnets and a method for their production | Muneaki Watanabe | 1992-09-15 |
| 5145835 | Process for fabricating superconducting ceramic materials by HIP treatment | Sadaaki Hagino, Tatsuro Ajima, Motokazu Suzuki | 1992-09-08 |
| 5124311 | Structure of ceramic superconductive wiring and process of fabrication thereof | Satoru Mori, Hideaki Yoshida, Yoshio Kanda | 1992-06-23 |
| 5110374 | Rare earth-iron-boron magnet powder and process of producing same | Ryoji Nakayama, Tamotsu Ogawa | 1992-05-05 |
| 5110789 | Superconductive ceramic wire and method for making same | Tetsuro Yamaguchi, Sadaaki Hagino | 1992-05-05 |
| 5077269 | Sputtering target used for forming quinary superconductive oxide | Tadashi Sugihara, Yukihiro Ohuchi | 1991-12-31 |
| 5075200 | Process of forming superconductive wiring strip | Tadashi Sugihara, Yoshio Murakami | 1991-12-24 |
| 5059585 | Method of making a sputtering target for a bismuth based superconductor | Tadashi Sugihara, Yukihiro Ohuchi | 1991-10-22 |
| 5049452 | Target member used for formation of superconducting film | Tadashi Sugihara | 1991-09-17 |