Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884831 | Antenna apparatus including multiple antenna portions on one antenna element associated with multiple feed points | Atsushi Yamamoto, Tsutomu Sakata | 2014-11-11 |
| 8779994 | Antenna evaluating apparatus for evaluating multiple wave of radio waves transmitted from scatterer antennas with function of substantially simultaneous stop and start | Tsutomu Sakata, Atsushi Yamamoto | 2014-07-15 |
| 8773317 | Antenna apparatus including multiple antenna portions on one antenna element operable at multiple frequencies | Tsutomu Sakata, Atsushi Yamamoto | 2014-07-08 |
| 8754820 | Antenna apparatus provided with electromagnetic coupling adjuster and antenna element excited through multiple feeding points | Hiroshi Iwai, Atsushi Yamamoto, Tsutomu Sakata | 2014-06-17 |
| 8742999 | Antenna apparatus for simultaneously transmitting multiple radio signals with different radiation characteristics | Atsushi Yamamoto, Tsutomu Sakata | 2014-06-03 |
| 8730112 | Antenna evaluation apparatus and antenna evaluation method for creating multipath waves around receiving antenna | Tsutomu Sakata, Atsushi Yamamoto | 2014-05-20 |
| 8730111 | Antenna evaluation apparatus for evaluating multiple wave of radio waves transmitted from scatterer antennas with function of calibration for the same apparatus | Tsutomu Sakata, Atsushi Yamamoto | 2014-05-20 |
| 8723745 | Antenna apparatus including multiple antenna portions on one antenna element operable at multiple frequencies | Atsushi Yamamoto, Tsutomu Sakata | 2014-05-13 |
| 8405560 | Antenna evaluation apparatus and antenna evaluation method for creating different sets of multipath waves around receiving antenna | Tsutomu Sakata, Atsushi Yamamoto | 2013-03-26 |
| 8294622 | Array antenna apparatus sufficiently securing isolation between feeding elements and operating at frequencies | Atsushi Yamamoto, Tsutomu Sakata | 2012-10-23 |
| 8264414 | Antenna apparatus including multiple antenna portions on one antenna element | Tsutomu Sakata, Atsushi Yamamoto, Hiroshi Iwai | 2012-09-11 |
| 8154460 | Wireless communication apparatus with housing changing between open and closed states | Tsutomu Sakata, Atsushi Yamamoto | 2012-04-10 |
| 8098756 | MIMO antenna apparatus capable of diversity reception using one radiating conductor | Atsushi Yamamoto, Hiroshi Iwai, Tsutomu Sakata | 2012-01-17 |
| 7792084 | MIMO antenna apparatus controlling number of streams and modulation and demodulation method | Atsushi Yamamoto, Hiroshi Iwai, Akira Kato | 2010-09-07 |