| 12183493 |
Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator |
Junnichi Nagaoka, Yuichi Sugawara, Jo SATO |
2024-12-31 |
|
| 11810699 |
Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator |
Junnichi Nagaoka, Yuichi Sugawara, Jo SATO |
2023-11-07 |
|
| 11569013 |
Ferrite magnet |
Junnichi Nagaoka |
2023-01-31 |
|
| 11417447 |
Ferrite magnet |
Junnichi Nagaoka |
2022-08-16 |
|
| 9627112 |
Sintered ferrite magnet and motor provided therewith |
Yoshitaka Murakawa, Naoharu Tanigawa, Yoshihiko Minachi |
2017-04-18 |
|
| 9589713 |
Sintered ferrite magnet and motor provided therewith |
Yoshitaka Murakawa, Naoharu Tanigawa, Yoshihiko Minachi |
2017-03-07 |
|
| 9530548 |
Method for manufacturing Sr ferrite particle for sintered magnet, method for using Sr ferrite particle, Sr ferrite sintered magnet and method for manufacturing same, and motor and generator |
— |
2016-12-27 |
|
| 9514871 |
Sintered ferrite magnet and motor provided therewith |
— |
2016-12-06 |
|
| 9460835 |
Sintered ferrite magnet and motor provided therewith |
— |
2016-10-04 |
|
| 7084603 |
Motor control device |
Takeshi Kitahata, Yosuke Nakazawa |
2006-08-01 |
|
| 6908568 |
Preparation of oxide magnetic material and oxide magnetic material |
Kiyoyuki Masuzawa |
2005-06-21 |
$34,000 |
| 6402980 |
Oxide magnetic material, ferrite particles, bonded magnet, sintered magnet, process for producing the same, and magnetic recording medium |
Kiyoyuki Masuzawa, Yoshihiko Minachi, Kazumasa Iida, Miyuki Kawakami |
2002-06-11 |
$224,000 |
| 6258290 |
Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium |
Kiyoyuki Masuzawa, Yoshihiko Minachi, Kazumasa Iida, Mitsuaki Sasaki, Fumihiko Hirata |
2001-07-10 |
$41,000 |
| 6248253 |
Hexagonal ferrite magnets |
Kiyoyuki Masuzawa, Yoshihiko Minachi, Kazumasa Iida |
2001-06-19 |
$70,000 |
| 6139766 |
Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor |
Kazumasa Iida, Kikoyuki Masuzawa, Yoshihiko Minachi |
2000-10-31 |
$113,000 |
| 6132635 |
Process for the production of anisotropic ferrite magnets and anisotropic ferrite magnets as well as hexagonal system ferrite particles and their production process |
Fumihiko Hirata, Taku Takeishi, Teruo Mori |
2000-10-17 |
$117,000 |
| 6086781 |
Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium |
Kiyoyuki Masuzawa, Yoshihiko Minachi, Kazumasa Iida, Mitsuaki Sasaki, Fumihiko Hirata |
2000-07-11 |
$121,000 |
| 6027784 |
Connecting rod |
— |
2000-02-22 |
|
| 5951937 |
Preparation of oxide magnetic material |
Kiyoyuki Masuzawa, Yoshihiko Minachi, Kazumasa Iida |
1999-09-14 |
$117,000 |
| 5945028 |
Hexagonal system ferrite particles and their production process |
Fumihiko Hirata, Taku Takeishi, Teruo Mori |
1999-08-31 |
$90,000 |
| 5846449 |
Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium |
Kenichiro Suwa, Taku Takeishi |
1998-12-08 |
$75,000 |
| 5811024 |
Preparation of anisotropic hexagonal barium ferrite sintered magnet |
Fumihiko Hirata, Taku Takeishi, Teruo Mori |
1998-09-22 |
$54,000 |
| 5648039 |
Process for the production of anisotropic ferrite magnets |
Fumihiko Hirata, Taku Takeishi, Teruo Mori |
1997-07-15 |
$45,000 |
| 5607615 |
Hexagonal ba-ferrite sintered magnet, its making method, and polar anisotropy ring magnet |
Fumihiko Hirata, Taku Takeishi, Teruo Mori |
1997-03-04 |
$49,000 |
| 5521347 |
Switch device |
Satoru Imaeda, Yoshinobu Sugiyama |
1996-05-28 |
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