Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8564500 | Spiral antenna | Masahiro Tanabe | 2013-10-22 |
| 8193989 | Antenna apparatus | Seiken Fujita, Iichi Wako, Ken Tanaka, Toshihito Umegaki | 2012-06-05 |
| 8094088 | Antenna apparatus | Tomohiro Shinkawa, Masaaki Miyata | 2012-01-10 |
| 7864095 | Wave absorber and manufacturing method of wave absorber | Yoshiyuki Masuda, Noboru Otani | 2011-01-04 |
| 7777664 | Wave absorber | Yoshiyuki Masuda, Noboru Otani | 2010-08-17 |
| 7463213 | Antenna unit having a single antenna element and a periodic structure upper plate | Hidekazu Umetsu, Yoichi Asano, Junji Yamauchi, Akira Miyoshi | 2008-12-09 |
| 7091909 | Antenna unit adaptable to a wideband | Akira Miyoshi | 2006-08-15 |
| 7081859 | Antenna unit having a wide band | Akira Miyoshi | 2006-07-25 |
| 7031569 | Optical multi-demultiplexer | Junji Yamauchi, Michiya Masuda, Ryouichi Tazawa, Yuichi Yamamoto | 2006-04-18 |
| 7026999 | Pattern antenna | Naoko Umehara | 2006-04-11 |
| 7019698 | Gap feeding type antenna unit | Akira Miyoshi | 2006-03-28 |
| 6999029 | Antenna apparatus including a flat-plate radiation element and improved in radiation characteristic | Akira Miyoshi, Masaaki Miyata | 2006-02-14 |
| 6930647 | Semicircular radial antenna | Iichi Wako, Yusuke Yamamoto | 2005-08-16 |
| 6906683 | Circular polarized wave reception antenna | Masakazu Ikeda, Akira Miyoshi | 2005-06-14 |
| 6898349 | Optical multi-demultiplexer | Junji Yamauchi, Michiya Masuda, Shigeru Kawaguchi, Yuichi Yamamoto, Ryouichi Tazawa | 2005-05-24 |
| 6774849 | Invented-F plate antenna and wireless communication device | Naoko Umehara | 2004-08-10 |
| 6559804 | Electromagnetic coupling type four-point loop antenna | Akira Miyoshi | 2003-05-06 |
| 6535167 | Laminate pattern antenna and wireless communication device equipped therewith | Yoshiyuki Masuda | 2003-03-18 |
| 6342856 | Method of feeding flat antenna, and flat antenna | Masaaki Miyata, Kotaro Fujimori, Hiroaki Mimaki, Junji Yamauchi | 2002-01-29 |
| 6018327 | Single-wire spiral antenna | Mitsuya Makino | 2000-01-25 |
| 5923295 | Circular polarization microstrip line antenna power supply and receiver loading the microstrip line antenna | Kazuo Kobayashi | 1999-07-13 |
| 5838283 | Loop antenna for radiating circularly polarized waves | — | 1998-11-17 |
| 5453755 | Circularly-polarized-wave flat antenna | Motoshige Sekine, Kazuhiro Yokoyama, Yukio Nakagawa, Eiichi Tanaka, Shigeru Yoshida +3 more | 1995-09-26 |
| 4742359 | Antenna system | Ken Ishino, Naohisa Gotoh | 1988-05-03 |