Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937577 | Magnetic compound and production method thereof | Noritsugu Sakuma, Masao Yano, Akira Kato, Shunji Suzuki, Kurima Kobayashi | 2021-03-02 |
| 10748684 | Rare-earth magnet and method for manufacturing same | Masaaki Ito, Masao Yano, Hidefumi Kishimoto, Noritsugu Sakuma, Tetsuya Shoji | 2020-08-18 |
| 10468165 | Rare-earth magnet and method for manufacturing same | Masaaki Ito, Masao Yano, Hidefumi Kishimoto, Noritsugu Sakuma, Tetsuya Shoji | 2019-11-05 |
| 10464132 | Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection method | Noritsugu Sakuma, Hidefumi Kishimoto, Mikiya Nozaki, Masao Yano, Tetsuya Shoji | 2019-11-05 |
| 10351935 | Magnetic compound and method of producing the same | Noritsugu Sakuma, Akira Kato, Kota Washio, Hidefumi Kishimoto, Masao Yano +3 more | 2019-07-16 |
| 10199145 | Rare-earth magnet and method for producing the same | Tetsuya Shoji, Noritaka Miyamoto, Motoki Hiraoka, Shinya Omura, Daisuke Ichigozaki +1 more | 2019-02-05 |
| 9905362 | Rare-earth magnet production method | Daisuke Ichigozaki, Noritaka Miyamoto, Tetsuya Shoji, Yuya Ikeda | 2018-02-27 |
| 9111679 | Method producing rare earth magnet | Noritaka Miyamoto, Tetsuya Shoji, Daisuke Ichigozaki | 2015-08-18 |
| 8883329 | Hexagonal ferrite magnetic powder and method of manufacturing the same, and magnetic recording medium and method of manufacturing the same | Satoshi Matsubaguchi, Ayako Matsumoto, Toshio Tada | 2014-11-11 |
| 7381482 | Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium | Nobuo Yamazaki, Masatoshi Takahashi, Hiroyuki Suzuki | 2008-06-03 |
| 7134478 | Method of die casting spheroidal graphite cast iron | Kazumi Ohtake, Yoshihiro Hibino, Takahiro Sato, Kazufumi Niwa | 2006-11-14 |
| 7132164 | Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium | Nobuo Yamazaki, Masatoshi Takahashi, Hiroyuki Suzuki | 2006-11-07 |
| 6613120 | Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head | Kimihiko Ando | 2003-09-02 |
| 6248292 | Overlay welding alloy and engine valve overlayed therewith | Kimihiko Ando, Akio Yasuda, Eiji Ito | 2001-06-19 |
| 5761592 | Process for producing a sliding member and a process for producing a composite layer member | Hiroshi Okajima | 1998-06-02 |
| 5512080 | Fe-based alloy powder adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same | Yositaka Takahasi, Tadataka Kaneko, Hiroshi Okajima, Yoshihiko Ito, Setsuto Daiza | 1996-04-30 |
| 5503654 | Fe-based alloy powder and adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same | Yositaka Takahashi, Tadataka Kaneko, Hiroshi Okajima, Yoshihiko Ito, Setsuto Daiza | 1996-04-02 |
| 5489324 | Fe-based sintered alloy having wear resistance | Yositaka Takahasi, Tadataka Kaneko, Hiroshi Okajima, Yoshihiko Ito, Setsuto Daiza | 1996-02-06 |
| 5412970 | Guiding method for steel materials to be rolled and roller guide system therefor | Tadashi Kawamura, Yoshiaki Yamaguchi, Sadao Yoshizawa, Shoji Okada, Makoto Endo +4 more | 1995-05-09 |
| 4857695 | Solder and soldering method for sintered metal parts | Yukio Monden | 1989-08-15 |
| 4734968 | Method for making a valve-seat insert for internal combustion engines | Nobuhito Kuroishi, Naoki Motooka, Tetsuya Suganuma | 1988-04-05 |
| 4671491 | Valve-seat insert for internal combustion engines and its production | Nobuhito Kuroishi, Naoki Motooka, Tetsuya Suganuma | 1987-06-09 |