Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12095144 | Radio frequency active antenna system in a package | Ikuroh Ichitsubo, Masaya Kuwano, Koshirosumo Matsumoto, Guan-Wu Wang | 2024-09-17 |
| 11515617 | Radio frequency active antenna system in a package | Ikuroh Ichitsubo, Masaya Kuwano, Koshiro Matsumoto, Guan-Wu Wang | 2022-11-29 |
| 10938360 | Multimode multiband wireless device with broadband power amplifier | Adam James Wang, Zlatko Aurelio Filipovic, Ikuroh Ichitsubo | 2021-03-02 |
| 10643962 | World band radio frequency front end module, system and method of power sensing thereof | Ikuroh Ichitsubo, Shinsuke Inui, Guan-Wu Wang, Weiping Wang, Zlatko Aurelio Filipovic | 2020-05-05 |
| 8253496 | Linear RF power amplifier with frequency-selectable impedance matching | Ikuroh Ichitsubo, Shigeru Watanabe, Brian Wang | 2012-08-28 |
| 7769355 | System-in-package wireless communication device comprising prepackaged power amplifier | Ikuroh Ichitsubo, Wen-Chung Liu | 2010-08-03 |
| 7580687 | System-in-package wireless communication device comprising prepackaged power amplifier | Ikuroh Ichitsubo, Wen-Chung Liu | 2009-08-25 |
| 7548111 | Miniature dual band power amplifier with reserved pins | Ikuroh Ichitsubo, Masaya Kuwano, Koshiro Matsumoto | 2009-06-16 |
| 7508261 | Systems of miniaturized compatible radio frequency wireless devices | Ikuroh Ichitsubo, Masaya Kuwano, Koshiro Matsumoto | 2009-03-24 |
| 7389090 | Diplexer circuit for wireless communication devices | Ikuroh Ichitsubo | 2008-06-17 |
| 7262677 | Frequency filtering circuit for wireless communication devices | Ikuroh Ichitsubo | 2007-08-28 |
| 7202735 | Multi-band power amplifier module for wireless communication devices | Ikuroh Ichitsubo | 2007-04-10 |
| 7119614 | Multi-band power amplifier module for wireless communications | Ikuroh Ichitsubo | 2006-10-10 |
| 7091775 | Multi-band power amplifier module for wireless communication devices | Ikuroh Ichitsubo | 2006-08-15 |
| 7084702 | Multi-band power amplifier module for wireless communication devices | Ikuroh Ichitsubo | 2006-08-01 |
| 4526658 | Method for improving ruthenium decontamination efficiency in nitric acid evaporation treatment | Hajimu Yamana, Seiichiro Takeda | 1985-07-02 |