Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12274170 | Thermoelectric power-generation module, wearable biological-body-sensing device, biological-body location detection system | Akihiko Ikemura, Hiroshi Tanida, Michio Okajima, Shutaro Nambu, Shintaro Izumi | 2025-04-08 |
| 12262638 | Tubular heat exchanger with thermoelectric power generation function | Nao MAJIMA, Akihiko Ikemura, Michio Okajima, Shutaro Nambu | 2025-03-25 |
| 11674733 | Cold insulation container | Akihiko Ikemura, Michio Okajima, Shutaro Nambu, Ken Nishimura | 2023-06-13 |
| 10680154 | Thermoelectric conversion module, method for producing same, thermoelectric power generation system, and method for producing same | Nobuyuki Kohtani, Michio Okajima, Shutaro Nambu | 2020-06-09 |
| 8045580 | Band control method and communication apparatus | Yasuhiro Hamada, Kenichi Maruhashi, Takao Morimoto, Masaharu Ito, Shuya Kishimoto | 2011-10-25 |
| 7710216 | Balun circuit and integrated circuit device | Yasuhiro Hamada, Kenichi Maruhashi, Takao Morimoto, Masaharu Itou, Shuuya Kishimoto | 2010-05-04 |
| 7378925 | Dielectric resonator, dielectric resonator frequency adjusting method, and dielectric resonator integrated circuit | Masaharu Ito, Kenichi Maruhashi, Shuya Kishimoto | 2008-05-27 |
| 7196598 | Dielectric waveguide filter with inductive windows and coplanar line coupling | Kenichi Maruhashi, Masaharu Ito | 2007-03-27 |
| 7170373 | Dielectric waveguide filter | Masaharu Ito, Kenichi Maruhashi | 2007-01-30 |
| 7113060 | Dielectric waveguide filter with inductive windows and coplanar line coupling | Masaharu Ito, Kenichi Maruhashi | 2006-09-26 |
| 6903700 | High frequency circuit substrate and method for forming the same | Kenichi Maruhashi, Masaharu Ito, Kazuhiro Ikuina, Takeya Hashiguchi | 2005-06-07 |
| 6774748 | RF package with multi-layer substrate having coplanar feed through and connection interface | Masaharu Ito, Kenichi Maruhashi, Kazuhiro Ikuina | 2004-08-10 |
| 6674347 | Multi-layer substrate suppressing an unwanted transmission mode | Kenichi Maruhashi, Masaharu Ito | 2004-01-06 |
| 6518864 | Coplanar transmission line | Masaharu Ito, Kenichi Maruhashi | 2003-02-11 |
| 6437654 | Substrate-type non-reciprocal circuit element and integrated circuit having multiple ground surface electrodes and co-planar electrical interface | Kenichi Maruhashi | 2002-08-20 |
| 6320543 | Microwave and millimeter wave circuit apparatus | Kenichi Maruhashi, Masaharu Ito | 2001-11-20 |
| 5111256 | High speed semiconductor device and an optelectronic device | Hikaru Hida | 1992-05-05 |
| 5026655 | Process of fabricating a heterojunction field effect transistor | — | 1991-06-25 |
| 4948751 | Moelcular beam epitaxy for selective epitaxial growth of III - V compound semiconductor | Akihiko Okamoto | 1990-08-14 |
| 4903091 | Heterojunction transistor having bipolar characteristics | Toshio Baba, Masaki Ogawa | 1990-02-20 |
| 4893155 | Heterojunction field effect transistor device and process of fabrication thereof | — | 1990-01-09 |
| 4839703 | High speed and power transistor | Hikaru Hida, Masaki Ogawa | 1989-06-13 |
| 4837605 | Indium-phosphide hetero-MIS-gate field effect transistor | Kensuke Kasahara, Tomohiro Itoh | 1989-06-06 |
| 4727403 | Double heterojunction semiconductor device with injector | Hikaru Hida | 1988-02-23 |
| 4556895 | Field-effect transistor having a channel region of a Group III-V compound semiconductor and a Group IV semiconductor | — | 1985-12-03 |