Matsubara; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matsubara; Ryoji.The latest application filed is for "90-degree hybrid circuit".
- Matsubara; Ryoji - Tokyo JP
- Matsubara; Ryoji - Toshima-ku JP
- Matsubara; Ryoji - Toshima JP
- Matsubara; Ryoji - Gyeonggi-do KR
- Matsubara; Ryoji - Yokohama JP
- Matsubara; Ryoji - Ibaraki JP
| Patent | Date |
|---|---|
| 90-degree hybrid circuit Grant 10,530,032 - Ogawa , et al. J | 2020-01-07 |
| Adjustable phase shifter including a signal conductor, a movable dielectric plate and a transformer unit, where the transformer unit defines overlapped and non-overlapped portions with respect to the signal conductor Grant 10,403,948 - Murano , et al. Sep | 2019-09-03 |
| 90-degree Hybrid Circuit App 20180205130 - OGAWA; Tomoyuki ; et al. | 2018-07-19 |
| Phase Shifter And Antenna Device App 20180013186 - MURANO; Shinsuke ; et al. | 2018-01-11 |
| Antenna device Grant 9,525,213 - Matsubara December 20, 2 | 2016-12-20 |
| Antenna Device App 20160006117 - MATSUBARA; Ryoji | 2016-01-07 |
| Phase shifter having a varying signal path length based on the rotation of the phase shifter Grant 8,143,970 - Moon , et al. March 27, 2 | 2012-03-27 |
| Capacity loaded planar antenna with short stubs App 20110134002 - Suto; Masaki ; et al. | 2011-06-09 |
| Variable Phase Shifter App 20090195329 - Kim; Duk-Yong ; et al. | 2009-08-06 |
| Variable Phase Shifter App 20090184780 - Moon; Young-Chan ; et al. | 2009-07-23 |
| Collision in right/left turn prevention system Grant 6,459,991 - Takiguchi , et al. October 1, 2 | 2002-10-01 |
| Bumping prevention system Grant 6,360,171 - Miyamoto , et al. March 19, 2 | 2002-03-19 |
| Collision with pedestrian prevention system Grant 6,337,637 - Kubota , et al. January 8, 2 | 2002-01-08 |
| Method and apparatus for monitoring inside a manhole Grant 5,583,492 - Nakanishi , et al. December 10, 1 | 1996-12-10 |
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