Obu; Isao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Obu; Isao.The latest application filed is for "semiconductor device".
Company Profile
43.44.57
- Obu; Isao - Nagaokakyo JP
- OBU; Isao - Nagaokakyo-shi JP
- Obu; Isao - Kyoto JP
- Obu; Isao - Kyoto-fu JP
- Obu; Isao - Tokyo JP
Patent Activity
| Patent | Date |
|---|---|
| Heterojunction bipolar transistor Grant 11,424,350 - Umemoto , et al. August 23, 2 | 2022-08-23 |
| Semiconductor Device App 20220231150 - UMEMOTO; Yasunari ; et al. | 2022-07-21 |
| Semiconductor device Grant 11,329,146 - Umemoto , et al. May 10, 2 | 2022-05-10 |
| Semiconductor device Grant 11,322,462 - Tsutsui , et al. May 3, 2 | 2022-05-03 |
| Power amplifier and compound semiconductor device Grant 11,309,852 - Obu , et al. April 19, 2 | 2022-04-19 |
| Semiconductor Device App 20220115272 - UMEMOTO; Yasunari ; et al. | 2022-04-14 |
| Semiconductor element and power amplification device Grant 11,289,434 - Koya , et al. March 29, 2 | 2022-03-29 |
| Semiconductor device and amplifier module Grant 11,276,689 - Sasaki , et al. March 15, 2 | 2022-03-15 |
| Power Amplifier Module App 20220060158 - KOYA; Shigeki ; et al. | 2022-02-24 |
| Bipolar Transistor And Radio-frequency Power Amplifier Module App 20220029004 - OBU; Isao ; et al. | 2022-01-27 |
| Semiconductor device Grant 11,227,804 - Umemoto , et al. January 18, 2 | 2022-01-18 |
| Semiconductor device Grant 11,227,862 - Sasaki , et al. January 18, 2 | 2022-01-18 |
| Power amplifier module Grant 11,196,394 - Koya , et al. December 7, 2 | 2021-12-07 |
| Semiconductor Device App 20210359114 - UMEMOTO; Yasunari ; et al. | 2021-11-18 |
| Bipolar transistor and radio-frequency power amplifier module Grant 11,164,963 - Obu , et al. November 2, 2 | 2021-11-02 |
| Heterojunction Bipolar Transistor Including Ballast Resistor And Semiconductor Device App 20210320194 - OBU; Isao ; et al. | 2021-10-14 |
| Semiconductor device Grant 11,107,909 - Umemoto , et al. August 31, 2 | 2021-08-31 |
| Heterojunction bipolar transistor including ballast resistor and semiconductor device Grant 11,075,289 - Obu , et al. July 27, 2 | 2021-07-27 |
| Semiconductor Device Having A Plurality Of Bipolar Transistors With Different Heights Between Their Respective Emitter Layers And Emitter Electrodes App 20210183854 - OBU; Isao ; et al. | 2021-06-17 |
| Semiconductor Device And Power Amplifier Module App 20210126591 - OBU; Isao ; et al. | 2021-04-29 |
| Radio frequency power amplifier and power amplifier module Grant 10,972,060 - Sasaki , et al. April 6, 2 | 2021-04-06 |
| Semiconductor device having a plurality of bipolar transistors with different heights between their respective emitter layers and emitter electrodes Grant 10,964,693 - Obu , et al. March 30, 2 | 2021-03-30 |
| Heterojunction Bipolar Transistor App 20210091215 - UMEMOTO; Yasunari ; et al. | 2021-03-25 |
| Semiconductor device Grant 10,957,617 - Kondo , et al. March 23, 2 | 2021-03-23 |
| Power Amplifier Module App 20210044256 - KOYA; Shigeki ; et al. | 2021-02-11 |
| Semiconductor device and power amplifier module Grant 10,903,803 - Obu , et al. January 26, 2 | 2021-01-26 |
| Heterojunction bipolar transistor Grant 10,886,388 - Umemoto , et al. January 5, 2 | 2021-01-05 |
| Transmission unit Grant 10,879,847 - Kondo , et al. December 29, 2 | 2020-12-29 |
| Semiconductor Element And Power Amplification Device App 20200402932 - KOYA; Shigeki ; et al. | 2020-12-24 |
| Power amplifier circuit Grant 10,873,307 - Kondo , et al. December 22, 2 | 2020-12-22 |
| Power Amplifier And Compound Semiconductor Device App 20200382083 - OBU; Isao ; et al. | 2020-12-03 |
| Power amplifier module Grant 10,855,232 - Koya , et al. December 1, 2 | 2020-12-01 |
| Heterojunction Bipolar Transistor App 20200373417 - UMEMOTO; Yasunari ; et al. | 2020-11-26 |
| Semiconductor device Grant 10,840,236 - Sasaki , et al. November 17, 2 | 2020-11-17 |
| Semiconductor Device App 20200357699 - UMEMOTO; Yasunari ; et al. | 2020-11-12 |
| Semiconductor Device App 20200335491 - SASAKI; Kenji ; et al. | 2020-10-22 |
| Semiconductor Device And Amplifier Module App 20200303372 - SASAKI; Kenji ; et al. | 2020-09-24 |
| Power amplifier and compound semiconductor device Grant 10,778,159 - Obu , et al. Sept | 2020-09-15 |
| Heterojunction bipolar transistor Grant 10,777,669 - Umemoto , et al. Sept | 2020-09-15 |
| Semiconductor Device App 20200287027 - UMEMOTO; Yasunari ; et al. | 2020-09-10 |
| Bipolar Transistor And Radio-frequency Power Amplifier Module App 20200251579 - Kind Code | 2020-08-06 |
| Heterojunction Bipolar Transistor App 20200219995 - UMEMOTO; Yasunari ; et al. | 2020-07-09 |
| Semiconductor device Grant 10,707,200 - Sasaki , et al. | 2020-07-07 |
| Semiconductor Device And Power Amplifier Module App 20200177140 - OBU; Isao ; et al. | 2020-06-04 |
| Bipolar transistor and radio-frequency power amplifier module Grant 10,665,704 - Obu , et al. | 2020-05-26 |
| Semiconductor chip, method for mounting semiconductor chip, and module in which semiconductor chip is packaged Grant 10,665,519 - Obu , et al. | 2020-05-26 |
| Heterojunction bipolar transistor Grant 10,629,712 - Umemoto , et al. | 2020-04-21 |
| Radio Frequency Power Amplifier And Power Amplifier Module App 20200091874 - SASAKI; Kenji ; et al. | 2020-03-19 |
| Semiconductor device and power amplifier module Grant 10,594,271 - Obu , et al. | 2020-03-17 |
| Heterojunction Bipolar Transistor And Semiconductor Device App 20200066886 - OBU; Isao ; et al. | 2020-02-27 |
| Power Amplifier Module App 20200052663 - KOYA; Shigeki ; et al. | 2020-02-13 |
| Semiconductor Chip, Method For Mounting Semiconductor Chip, And Module In Which Semiconductor Chip Is Packaged App 20200027805 - OBU; Isao ; et al. | 2020-01-23 |
| Semiconductor Device App 20200027876 - OBU; Isao ; et al. | 2020-01-23 |
| Semiconductor Device App 20200006265 - KOBAYASHI; Kazuya ; et al. | 2020-01-02 |
| Semiconductor Device App 20190386122 - UMEMOTO; Yasunari ; et al. | 2019-12-19 |
| Semiconductor chip, method for mounting semiconductor chip, and module in which semiconductor chip is packaged Grant 10,475,717 - Obu , et al. Nov | 2019-11-12 |
| Semiconductor Device App 20190326191 - KONDO; Masao ; et al. | 2019-10-24 |
| Semiconductor Device And Power Amplifier Module App 20190296699 - OBU; Isao ; et al. | 2019-09-26 |
| Heterojunction bipolar transistor Grant 10,374,071 - Umemoto , et al. | 2019-08-06 |
| Semiconductor device and power amplifier module Grant 10,361,666 - Obu , et al. | 2019-07-23 |
| Heterojunction bipolar transistor Grant 10,355,114 - Obu , et al. July 16, 2 | 2019-07-16 |
| Semiconductor Device App 20190198464 - TSUTSUI; Takayuki ; et al. | 2019-06-27 |
| Transmission Unit App 20190190455 - KONDO; Masao ; et al. | 2019-06-20 |
| Power Amplifier Circuit App 20190190476 - KONDO; Masao ; et al. | 2019-06-20 |
| Semiconductor Device App 20190172933 - OBU; Isao ; et al. | 2019-06-06 |
| Power Amplifier Module App 20190158039 - Koya; Shigeki ; et al. | 2019-05-23 |
| Power Amplifier And Compound Semiconductor Device App 20190158044 - OBU; Isao ; et al. | 2019-05-23 |
| Heterojunction Bipolar Transistor App 20190115457 - UMEMOTO; Yasunari ; et al. | 2019-04-18 |
| Semiconductor Device App 20190115338 - SASAKI; Kenji ; et al. | 2019-04-18 |
| Semiconductor device and power amplifier circuit Grant 10,249,620 - Obu , et al. | 2019-04-02 |
| Bipolar Transistor And Radio-frequency Power Amplifier Module App 20190088768 - OBU; Isao ; et al. | 2019-03-21 |
| Semiconductor Device App 20190051645 - SASAKI; Kenji ; et al. | 2019-02-14 |
| Semiconductor device Grant 10,192,862 - Sasaki , et al. Ja | 2019-01-29 |
| Compound semiconductor substrate and power amplifier module Grant 10,163,829 - Obu , et al. Dec | 2018-12-25 |
| Heterojunction bipolar transistor Grant 10,134,842 - Obu , et al. November 20, 2 | 2018-11-20 |
| Heterojunction Bipolar Transistor App 20180331208 - UMEMOTO; Yasunari ; et al. | 2018-11-15 |
| Semiconductor Device And Power Amplifier Module App 20180309417 - OBU; Isao ; et al. | 2018-10-25 |
| Semiconductor Device And Power Amplifier Circuit App 20180269206 - OBU; Isao ; et al. | 2018-09-20 |
| Semiconductor Device App 20180247926 - SASAKI; Kenji ; et al. | 2018-08-30 |
| Compound Semiconductor Substrate And Power Amplifier Module App 20180240766 - OBU; Isao ; et al. | 2018-08-23 |
| Heterojunction Bipolar Transistor App 20180240899 - Umemoto; Yasunari ; et al. | 2018-08-23 |
| Semiconductor Chip, Method For Mounting Semiconductor Chip, And Module In Which Semiconductor Chip Is Packaged App 20180240725 - Obu; Isao ; et al. | 2018-08-23 |
| Heterojunction bipolar transistor Grant 10,056,476 - Umemoto , et al. August 21, 2 | 2018-08-21 |
| Semiconductor device and power amplifier circuit Grant 9,997,516 - Obu , et al. June 12, 2 | 2018-06-12 |
| Heterojunction Bipolar Transistor App 20180097092 - OBU; Isao ; et al. | 2018-04-05 |
| Heterojunction Bipolar Transistor App 20180012979 - UMEMOTO; Yasunari ; et al. | 2018-01-11 |
| Heterojunction bipolar transistor Grant 9,859,405 - Obu , et al. January 2, 2 | 2018-01-02 |
| Semiconductor Device And Power Amplifier Circuit App 20170359030 - OBU; Isao ; et al. | 2017-12-14 |
| Heterojunction Bipolar Transistor App 20170243939 - OBU; Isao ; et al. | 2017-08-24 |
| Bump-equipped Electronic Component And Method For Manufacturing Bump-equipped Electronic Component App 20170236796 - OBU; Isao ; et al. | 2017-08-17 |
| Bump-equipped electronic component and method for manufacturing bump-equipped electronic component Grant 9,679,860 - Obu , et al. June 13, 2 | 2017-06-13 |
| Heterojunction bipolar transistor with two base layers Grant 9,397,204 - Obu , et al. July 19, 2 | 2016-07-19 |
| Bump-equipped Electronic Component And Method For Manufacturing Bump-equipped Electronic Component App 20160197052 - OBU; Isao ; et al. | 2016-07-07 |
| Bump-equipped electronic component and method for manufacturing bump-equipped electronic component Grant 9,343,360 - Obu , et al. May 17, 2 | 2016-05-17 |
| Heterojunction Bipolar Transistor App 20160005841 - OBU; Isao ; et al. | 2016-01-07 |
| Heterojunction bipolar transistor, power amplifier including the same, and method for fabricating heterojunction bipolar transistor Grant 9,130,004 - Obu , et al. September 8, 2 | 2015-09-08 |
| Heterojunction Bipolar Transistor, Power Amplifier Including The Same, And Method For Fabricating Heterojunction Bipolar Transistor App 20140167115 - OBU; Isao ; et al. | 2014-06-19 |
| Bump-equipped Electronic Component And Method For Manufacturing Bump-equipped Electronic Component App 20140151874 - OBU; Isao ; et al. | 2014-06-05 |
| Semiconductor device and manufacturing method of the same Grant 7,723,753 - Sasaki , et al. May 25, 2 | 2010-05-25 |
| Semiconductor Device And Integrated Semiconductor Circuit Device App 20090085162 - Kurokawa; Atsushi ; et al. | 2009-04-02 |
| Semiconductor Device And Manufacturing Method Of The Same App 20080224174 - SASAKI; Kenji ; et al. | 2008-09-18 |
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