Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12231103 | Electronic circuit and calculator | Tamio Kawaguchi, Hayato Goto, Taro KANAO, Yinghao HO | 2025-02-18 |
| 10256789 | Displacement conversion mechanism and tunable filter device | Hiroshi Takahashi, Junya Tanaka, Rie Katsuki, Hiroyuki Kayano, Tamio Kawaguchi +1 more | 2019-04-09 |
| 10209387 | Screening device | Hiroyuki Kayano | 2019-02-19 |
| 10205211 | Thermal insulation waveguide and wireless communication device | Tamio Kawaguchi, Hiroaki Ikeuchi, Tadahiro Sasaki, Kohei Nakayama, Mutsuki Yamazaki +1 more | 2019-02-12 |
| 9973175 | Control apparatus and tunable filter apparatus | Rie Katsuki, Hiroshi Takahashi, Junya Tanaka, Hiroaki Ikeuchi, Hiroyuki Kayano +1 more | 2018-05-15 |
| 9837694 | Filter characteristic tuning apparatus, tunable filter apparatus and control method for tunable filter apparatus | Junya Tanaka, Hiroshi Takahashi, Rie Katsuki, Akihito Ogawa, Hiroyuki Kayano +2 more | 2017-12-05 |
| 9325045 | Filter and resonator | Hiroyuki Kayano, Tamio Kawaguchi, Kohei Nakayama | 2016-04-26 |
| 9099778 | Superconducting antenna device | Tamio Kawaguchi, Hiroyuki Kayano, Kohei Nakayama, Mutsuki Yamazaki | 2015-08-04 |
| 8988301 | Core-shell magnetic material, method for producing core-shell magnetic material, device, and antenna device | Maki Yonetsu, Tomohiro Suetsuna, Koichi Harada, Seiichi Suenaga, Shinji Murai +3 more | 2015-03-24 |
| 8938277 | Planar microstrip filter disposed in a case and having movable structural components spaced at intervals relative to the filter | — | 2015-01-20 |
| 8803639 | Vacuum insulating chamber including waveguides separated by an air gap and including two planar reflectors for controlling radiation power from the air gap | Tamio Kawaguchi, Hiroyuki Kayano, Kohei Nakayama | 2014-08-12 |
| 8570120 | Heat insulating waveguides separated by an air gap and including two planar reflectors for controlling radiation power from the air gap | Tamio Kawaguchi, Hiroyuki Kayano, Kohei Nakayama | 2013-10-29 |
| 8143972 | Resonator and filter | Hiroyuki Kayano | 2012-03-27 |
| 8005451 | Filter circuit and radio communication apparatus | Hiroyuki Kayano, Masahiro Tanabe, Mitsuyoshi Shinonaga | 2011-08-23 |
| 7983728 | Resonator comprised of a bent conductor line with slits therein and a filter formed therefrom | Hiroyuki Kayano | 2011-07-19 |
| 7825751 | Resonant circuit, filter circuit, and antenna device | Tamio Kawaguchi, Fumihiko Aiga, Hiroyuki Kayano, Tatsunori Hashimoto | 2010-11-02 |
| 7613434 | Multiplexer and wireless receiver | Fumihiko Aiga, Hiroyuki Kayano, Tatsunori Hashimoto | 2009-11-03 |
| 7492903 | Secret key distribution method and secret key distribution system | Kouichi Ichimura, Mikio Fujii, Kentaro Torii, Kenji Ohkuma | 2009-02-17 |
| 7466725 | Quantum computer apparatus | Kouichi Ichimura, Hayato Goto | 2008-12-16 |
| 7406173 | Quantum communication apparatus and quantum communication method | Kouichi Ichimura | 2008-07-29 |
| 7397330 | Filter and radio communication device using the same | Hiroyuki Kayano, Mutsuki Yamazaki | 2008-07-08 |
| 7042002 | Quantum memory and information processing method using the same | Kouichi Ichimura | 2006-05-09 |
| 6849863 | Quantum memory and information processing method using the same | Kouichi Ichimura | 2005-02-01 |