Issued Patents All Time
Showing 1–25 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172211 | Method for producing magnetic refrigeration material, and magnetic refrigeration material | Junya Fukuda, Tetsuya Kume, Koichi Hirota | 2024-12-24 |
| 12010954 | Additive for mushroom growth medium | Hikaru Ando | 2024-06-18 |
| 11993080 | Drive circuit of recording head and image recorder | Shinichi Kawaguchi | 2024-05-28 |
| 11806782 | Method for producing magnetic refrigeration material, and magnetic refrigeration material | Junya Fukuda, Tetsuya Kume, Koichi Hirota | 2023-11-07 |
| 11798716 | Rare earth sintered magnet | Tetsuya Ohashi, Hiroki Iida, Koichi Hirota, Mikio Yoshida, Kazuya Fukui +1 more | 2023-10-24 |
| 11600413 | R—Fe—B sintered magnet and production method therefor | Tetsuya Ohashi, Koichi Hirota | 2023-03-07 |
| 11525751 | Sensor drive circuit with improved temperature characteristic compensation | — | 2022-12-13 |
| 11410805 | R-Fe-B sintered magnet | Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota | 2022-08-09 |
| 11243116 | Spectrometry device and spectrometry method | Masanori Okada | 2022-02-08 |
| 11053942 | Screw compressor | Katsunori Hamada, Noboru Tsuboi | 2021-07-06 |
| 11027586 | Vehicle suspension member | Hiroaki Hosoi | 2021-06-08 |
| 10937578 | Method for preparing R—Fe—B sintered magnet | Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota | 2021-03-02 |
| 10720271 | R-Fe-B sintered magnet | Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota | 2020-07-21 |
| 10573438 | R-(Fe, Co)-B sintered magnet and making method | Koichi Hirota, Masayuki Kamata, Takahiro Hashimoto | 2020-02-25 |
| 10513676 | Measurement method for unbound bilirubin in blood sample | Sota Iwatani, Ichiro Morioka, Atsushi Miyawaki, Akiko Kumagai | 2019-12-24 |
| 10515747 | R-Fe-B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Tetsuya Kume | 2019-12-24 |
| 10494208 | Sheet feeding device and image forming apparatus | — | 2019-12-03 |
| 10410775 | R—Fe—B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Tetsuya Kume, Masayuki Kamata | 2019-09-10 |
| 10366779 | Scheme of new materials | Hsiang Han Hsu, Gakuto Kurata, Koji Masuda, Shigeru Nakagawa, Seiji Takeda | 2019-07-30 |
| 10074477 | Rare earth sintered magnet and making method | Hiroaki Nagata, Yuuji Gouki, Kazuaki Sakaki, Tadao Nomura, Koichi Hirota | 2018-09-11 |
| 9953750 | Nd based sintered magnet | Koji Miyata, Takehisa Minowa, Koichi Hirota, Masakatsu Honshima | 2018-04-24 |
| 9892831 | R-Fe—B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Tetsuya Kume | 2018-02-13 |
| 9836005 | Sheet feeding apparatus, sheet feeding method and image formation system | — | 2017-12-05 |
| 9742248 | Method for assembling rotor for use in IPM rotary machine | Yuhito Doi, Takehisa Minowa, Koichi Hirota | 2017-08-22 |
| 9734947 | Rare earth sintered magnet and making method | — | 2017-08-15 |