Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172211 | Method for producing magnetic refrigeration material, and magnetic refrigeration material | Junya Fukuda, Koichi Hirota, Hajime Nakamura | 2024-12-24 |
| 11806782 | Method for producing magnetic refrigeration material, and magnetic refrigeration material | Junya Fukuda, Koichi Hirota, Hajime Nakamura | 2023-11-07 |
| 11410805 | R-Fe-B sintered magnet | Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura | 2022-08-09 |
| 11315710 | R-Fe-B sintered magnet and making method | Koichi Hirota, Masayuki Kamata | 2022-04-26 |
| 10937578 | Method for preparing R—Fe—B sintered magnet | Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura | 2021-03-02 |
| 10720271 | R-Fe-B sintered magnet | Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura | 2020-07-21 |
| 10515747 | R-Fe-B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Hajime Nakamura | 2019-12-24 |
| 10410775 | R—Fe—B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Masayuki Kamata, Hajime Nakamura | 2019-09-10 |
| 9892831 | R-Fe—B sintered magnet and making method | Koichi Hirota, Hiroaki Nagata, Hajime Nakamura | 2018-02-13 |
| 9227194 | Carbon material and electricity storage device | Yuko Matsumura, Yasuyuki Higaonna | 2016-01-05 |
| 9186680 | Carbon material and electricity storage device | Yuko Matsumura, Yasuyuki Higaonna | 2015-11-17 |
| 9133100 | Method for synthesizing rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Masaki Ohashi, Hirochika Naganawa, Kojiro Shimojo | 2015-09-15 |
| 8889903 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Masahiko Ikka, Hirochika Naganawa +1 more | 2014-11-18 |
| 8841482 | Method for synthesizing rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Masaki Ohashi, Hirochika Naganawa, Kojiro Shimojo | 2014-09-23 |
| 8785048 | Carbonaceous material for electric double layer capacitor, electric double layer capacitor and process for producing carbonaceous material | Yasuyuki Higaonna, Yasunari Iwata, Makoto Takeuchi | 2014-07-22 |
| 8519184 | Synthesis of rare earth metal extractant | Kazuaki Sakaki, Hiroto Sugahara, Tetsuya Ohashi, Masahiko Ikka, Hirochika Naganawa +1 more | 2013-08-27 |
| 8323834 | Electric storage element | Tetsuo Nishida, Sojiro Kon, Yoshinobu Sakakibara | 2012-12-04 |
| 8012376 | Method for preparing carbon material for electrode of electrochemical devices | Yasuyuki Higaonna, Kazuaki Yanagi | 2011-09-06 |
| 7785543 | Method of processing alkali-activation exhaust gas | Yasuyuki Higaonna, Kazuaki Yanagi | 2010-08-31 |
| 7556786 | Method of processing alkali-activation exhaust gas | Yasuyuki Higaonna, Kazuaki Yanagi | 2009-07-07 |