Onitsuka; Hirofumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Onitsuka; Hirofumi.The latest application filed is for "bass reflex port and bass reflex type speaker".
- Onitsuka; Hirofumi - Hamamatsu JP
- ONITSUKA; Hirofumi - Hamamatsu-shi JP
- Onitsuka; Hirofumi - Shizuoka JP
| Patent | Date |
|---|---|
| Bass reflex port and acoustic device Grant 11,240,592 - Miki , et al. February 1, 2 | 2022-02-01 |
| Bass reflex port and bass reflex type speaker Grant 10,750,273 - Uchida , et al. A | 2020-08-18 |
| Bass Reflex Port and Bass Reflex Type Speaker App 20190297413 - UCHIDA; Katsuya ; et al. | 2019-09-26 |
| Bass Reflex Port And Acoustic Device App 20190141437 - MIKI; Akira ; et al. | 2019-05-09 |
| Acoustic structure and acoustic panel Grant 10,045,119 - Matsuda , et al. August 7, 2 | 2018-08-07 |
| Acoustic Structure And Acoustic Panel App 20160373855 - MATSUDA; Hideto ; et al. | 2016-12-22 |
| Vehicle sound generation apparatus, and vehicle sound generation method Grant 9,479,851 - Osawa , et al. October 25, 2 | 2016-10-25 |
| Acoustic apparatus Grant 9,473,847 - Shiozawa , et al. October 18, 2 | 2016-10-18 |
| Microphone device Grant 9,407,983 - Kumagai , et al. August 2, 2 | 2016-08-02 |
| Sound generating device for vehicle, and sound generating method for vehicle Grant 9,327,644 - Osawa , et al. May 3, 2 | 2016-05-03 |
| Port for audio equipment Grant D752,561 - Miki , et al. March 29, 2 | 2016-03-29 |
| Port for audio equipment Grant D752,560 - Miki , et al. March 29, 2 | 2016-03-29 |
| Port for audio equipment Grant D752,559 - Miki , et al. March 29, 2 | 2016-03-29 |
| Keyboard instrument Grant 9,275,612 - Suenaga , et al. March 1, 2 | 2016-03-01 |
| Port for audio equipment Grant D750,599 - Miki , et al. March 1, 2 | 2016-03-01 |
| Port for audio equipment Grant D750,048 - Miki , et al. February 23, 2 | 2016-02-23 |
| Tubular body, bass reflex port, and acoustic apparatus Grant 9,241,211 - Miki , et al. January 19, 2 | 2016-01-19 |
| Bass reflex port and tubular body Grant 9,232,300 - Miki , et al. January 5, 2 | 2016-01-05 |
| Audio device, and methods for designing and making the audio devices Grant 9,224,380 - Shiozawa , et al. December 29, 2 | 2015-12-29 |
| Microphone Device App 20150373438 - KUMAGAI; Kunihiro ; et al. | 2015-12-24 |
| Port for audio equipment Grant D745,492 - Miki , et al. December 15, 2 | 2015-12-15 |
| Keyboard Instrument App 20150194138 - SUENAGA; Tsukasa ; et al. | 2015-07-09 |
| Speaker and Speaker Net App 20150110325 - SHIOZAWA; Yasuo ; et al. | 2015-04-23 |
| Vehicle Sound Generation Apparatus, And Vehicle Sound Generation Method App 20150092957 - Osawa; Hideki ; et al. | 2015-04-02 |
| Bass Reflex Port And Tubular Body App 20140262598 - MIKI; Akira ; et al. | 2014-09-18 |
| Tubular Body, Bass Reflex Port, And Acoustic Apparatus App 20140262597 - MIKI; Akira ; et al. | 2014-09-18 |
| Acoustic Apparatus App 20140254839 - SHIOZAWA; Yasuo ; et al. | 2014-09-11 |
| Acoustic structure including helmholtz resonator Grant 8,731,224 - Shiozawa , et al. May 20, 2 | 2014-05-20 |
| Audio apparatus Grant 8,678,130 - Shiozawa , et al. March 25, 2 | 2014-03-25 |
| Sound Generating Device For Vehicle, And Sound Generating Method For Vehicle App 20130230185 - Osawa; Hideki ; et al. | 2013-09-05 |
| Audio Apparatus App 20130062139 - SHIOZAWA; Yasuo ; et al. | 2013-03-14 |
| Simulation apparatus and program Grant 8,321,043 - Onitsuka November 27, 2 | 2012-11-27 |
| Audio Device, and Methods for Designing and Making the Audio Devices App 20120057736 - SHIOZAWA; Yasuo ; et al. | 2012-03-08 |
| Acoustic Structure Including Helmholtz Resonator App 20110206228 - SHIOZAWA; Yasuo ; et al. | 2011-08-25 |
| Simulation Apparatus and Program App 20090125135 - ONITSUKA; Hirofumi | 2009-05-14 |
| Audio amplifier unit Grant 7,095,865 - Katayama , et al. August 22, 2 | 2006-08-22 |
| Audio amplifier unit App 20030147543 - Katayama, Masaki ; et al. | 2003-08-07 |
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