Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643752 | ScAlMgO4 monocrystalline substrate, and method of manufacture thereof | Naoya Ryoki, Akihiko Ishibashi, Masaki Nobuoka | 2023-05-09 |
| 11441237 | RAMO4 substrate and method of manufacture thereof, and group III nitride semiconductor | Naoya Ryoki, Masaki Nobuoka, Akihiko Ishibashi | 2022-09-13 |
| 11437773 | Wavelength conversion device | Naoya Ryoki, Hiroshi Ohno, Akihiko Ishibashi, Masaki Nobuoka | 2022-09-06 |
| 10989985 | Wavelength converter | Naoya Ryoki, Akihiko Ishibashi, Masaki Nobuoka | 2021-04-27 |
| 10966203 | Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band | Takaaki Kishigami, Yoichi Nakagawa | 2021-03-30 |
| 10808332 | ScAlMgO4 single crystal and device | Masaki Nobuoka, Naoya Ryoki, Takehiro Asahi, Akio Ueta | 2020-10-20 |
| 10767277 | ScAIMgO4 single crystal substrate and method for producing the same | Naoto YANAGITA, Naoya Ryoki, Takehiro Asahi, Masaki Nobuoka | 2020-09-08 |
| 10555305 | Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band | Takaaki Kishigami, Yoichi Nakagawa | 2020-02-04 |
| 9900890 | Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band | Takaaki Kishigami, Yoichi Nakagawa | 2018-02-20 |
| 8948114 | Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band | Takaaki Kishigami, Yoichi Nakagawa | 2015-02-03 |
| 8938207 | Radio frequency receiver and radio receiver | Ippei Kanno | 2015-01-20 |
| 8711917 | Sampling filter device | Satoshi Tsukamoto, Noriaki Saito, Katsuaki Abe, Yoshifumi Hosokawa, Yasuyuki Naito | 2014-04-29 |
| 8504101 | Multimode wireless communication apparatus and wireless communication method | Tomoya Urushihara, Akihiko Matsuoka, Katsuaki Abe, Takenori Sakamoto | 2013-08-06 |
| 8451793 | Wireless terminal and communication system switching method | Katsuaki Abe, Akihiko Matsuoka | 2013-05-28 |
| 8428040 | Reception apparatus and reception method for setting a format per divided band | Takaaki Kishigami, Yoichi Nakagawa | 2013-04-23 |
| 8385874 | Discrete time direct sampling circuit and receiver | Katsuaki Abe, Yoshifumi Hosokawa, Yasuyuki Naito, Noriaki Saito | 2013-02-26 |
| 8379620 | Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band | Takaaki Kishigami, Yoichi Nakagawa | 2013-02-19 |
| 8380781 | Sampling filter and radio communication apparatus | Yoshifumi Hosokawa, Yasuyuki Naito, Katsuaki Abe, Noriaki Saito | 2013-02-19 |
| 8356063 | Reconfigurable digital filter | Katsuaki Abe, Akihiko Matsuoka, Tomoya Urushihara | 2013-01-15 |
| 8179185 | Sampling mixer, filter device, and radio device | Yoshifumi Hosokawa, Noriaki Saito, Katsuaki Abe, Yasuyuki Naito | 2012-05-15 |
| 8165617 | Wireless communication apparatus and communication control method | Katsuaki Abe, Akihiko Matsuoka, Takenori Sakamoto, Tomoya Urushihara | 2012-04-24 |
| 8164380 | Discrete filter, sampling mixer and wireless device | Yoshifumi Hosokawa, Noriaki Saito, Katsuaki Abe | 2012-04-24 |
| 8145175 | Sampling filter apparatus | Yoshifumi Hosokawa, Katsuaki Abe, Noriaki Saito, Kiyomichi Araki | 2012-03-27 |
| 8145694 | Fast Fourier transformation circuit | Katsuaki Abe, Akihiko Matsuoka | 2012-03-27 |
| 8111741 | Sampling filter apparatus and wireless communication apparatus | Yoshifumi Hosokawa, Katsuaki Abe, Akihiko Matsuoka, Noriaki Saito | 2012-02-07 |