Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428310 | Iron-based oxide magnetic powder and method for producing same | Asuka Namai, Hiroko Tokoro, Marie YOSHIKIYO, Kazuhiro Yamaga, Yasuto MIYAMOTO +3 more | 2025-09-30 |
| 11980013 | Radio wave-absorbing laminate film, production method therefor, and element including same | Asuka Namai, Marie YOSHIKIYO, Takahiro Asai, Masaru Kuwahara | 2024-05-07 |
| 11574652 | Recording device and recording method | Marie YOSHIKIYO, Kenta Imoto, Kosuke Nakagawa, Asuka Namai, Hiroko Tokoro +3 more | 2023-02-07 |
| 11539141 | Radio wave absorber | Asuka Namai, Seiji Nishitani, Tomohiro Kuzuu | 2022-12-27 |
| 11401170 | Iron based oxide magnetic powder and method for producing same | Asuka Namai, Kenji Sakane, Tetsuya KAWAHITO | 2022-08-02 |
| 11315595 | Recording method, recording device, reproduction method, reproduction device, and high-speed response element | Makoto Nakajima, Masashi Shirata, Hiroaki Doshita | 2022-04-26 |
| 11087792 | Oriented body, method for producing the same, device for producing the same, and magnetic recording medium | Kenta Imoto, Shizuka Anan, Asuka Namai, Kenji Masada | 2021-08-10 |
| 10807880 | Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium | Syunsuke Oka, Asuka Namai, Kenji Masada | 2020-10-20 |
| 10669161 | Oriented body containing e-iron oxide, method for producing the same, and device for producing the same | Hiroko Tokoro, Koji Nakabayashi, Asuka Namai, Kenta Imoto, Kenji Masada | 2020-06-02 |
| 10544996 | Internal combustion engine | Akihiro Honda | 2020-01-28 |
| 10374307 | High-frequency antenna element and high-frequency antenna module | Asuka Namai, Marie YOSHIKIYO, Takashi Ono | 2019-08-06 |
| 10099941 | Magnetic iron oxide nanopowder and process for producing the same | Marie YOSHIKIYO, Asuka Namai, Hiroko Tokoro, Waka Tarora, Tomomichi NASU +2 more | 2018-10-16 |
| 9916922 | Iron oxide magnetic nanoparticle powder and method of producing the same, iron oxide magnetic nanoparticle thin film containing the iron oxide magnetic nanoparticle powder and method of producing the same | Marie YOSHIKIYO, Asuka Namai, Hiroko Tokoro, Waka Tarora, Takayuki Yoshida +1 more | 2018-03-13 |
| 9886978 | Process for production of magnetic thin film, magnetic thin film, and magnetic material | Asuka Namai, Kazuyuki Takami, Koutaro Tomita | 2018-02-06 |
| 9806427 | Electromagnetic wave absorber and film forming paste | Asuka Namai, Marie YOSHIKIYO, Takashi Ono | 2017-10-31 |
| 9633770 | Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide | Shunsuke Sakurai, Asuka Namai, Sayaka Umeda, Hiroshi Hachiya, Kazuyuki Matsumoto +1 more | 2017-04-25 |
| 9458026 | Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide | Shunsuke Sakurai, Asuka Namai, Sayaka Umeda, Hiroshi Hachiya, Kazuyuki Matsumoto +1 more | 2016-10-04 |
| 9079782 | Titanium oxide particles, process for producing same, magnetic memory, optical information recording medium, and charge accumulation type memory | Hiroko Tokoro, Fumiyoshi Hakoe, Yoshihide Tsunobuchi, Kazuhito Hashimoto | 2015-07-14 |
| 9005569 | Microstructure and manufacturing method therefor | Deepa Dey, Yoshihide Tsunobuchi, Kazuhito Hashimoto, Hiroko Tokoro, Fumiyoshi Hakoe | 2015-04-14 |
| 8609261 | Titanium oxide particles, manufacturing method thereof, magnetic memory, and charge storage type memory | Tomoyuki Matsuda, Yoshihide Tsunobuchi, Kazuhito Hashimoto, Hiroko Tokoro | 2013-12-17 |
| 8535816 | Fine structural body, method for manufacturing fine structural body, magnetic memory, charge storage memory and optical information recording medium | Yoshihide Tsunobuchi, Hiroko Tokoro, Fumiyoshi Hakoe, Kazuhito Hashimoto | 2013-09-17 |
| 8444872 | Magnetic iron oxide particle, magnetic material, and radio wave absorber | Shunsuke Sakurai, Takenori Yorinaga, Kazuyuki Matsumoto, Shinya Sasaki | 2013-05-21 |
| 8335037 | Millimeter wave band nonreciprocal device | Shigeru Takeda | 2012-12-18 |
| 8097180 | Magnetic material | Kazuhito Hashimoto, Shunsuke Sakurai, Shiro Kuroki, Kimitaka Sato, Shinya Sasaki | 2012-01-17 |
| 8072365 | Magnetic crystal for electromagnetic wave absorbing material and electromagnetic wave absorber | Shiro Kuroki, Shunsuke Sakurai, Asuka Namai, Kimitaka Sato, Shinya Sasaki | 2011-12-06 |