Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7779442 | Information distribution system | Masakatsu Toyoshima, Katsumi Ohishi, Kenji Inose | 2010-08-17 |
| 7760148 | Radio communication system and communication method therefor | Kenichi Kawasaki | 2010-07-20 |
| 7471251 | Radio communication system and communication method therefor | Kenichi Kawasaki | 2008-12-30 |
| 7263713 | Television signal distributor apparatus, receiver apparatus, television signal transmission system and method | Katsumi Oishi, Kenji Inose | 2007-08-28 |
| 7142812 | Wireless transmission system | Veselin Brankovic, Dragan Krupezevic, Mohamed Ratni, Hamid Amir-Alikhani, Kenichi Kawasaki +1 more | 2006-11-28 |
| 6779195 | Signal processing apparatus and signal receiving apparatus | Katsumi Oishi, Masakatsu Toyoshima | 2004-08-17 |
| 6252556 | Microwave planar array antenna | Fumihiro Ito, Shinobu Tsurumaru | 2001-06-26 |
| 6046545 | Light source apparatus using coaxial waveguide | Hiroshi Horiuchi | 2000-04-04 |
| 5933807 | Screen control apparatus and screen control method | — | 1999-08-03 |
| 5926744 | Receiving apparatus, receiving method, and terminal unit | Kozo Kobayashi, Hiroyuki Mita, Mitsuru Ikeda | 1999-07-20 |
| 5675348 | Feedome, primary radiator, and antenna for microwave | Yasuhiro Okada | 1997-10-07 |
| 5670902 | Satellite broadcast receiving system and change-over divider for use in same | Yutaka Nakagawa, Tadashi Kajiwara, Keiji Yuzawa | 1997-09-23 |
| 5565805 | Change-over divider for use in satellite broadcast receiving system | Yutaka Nakagawa, Tadashi Kajiwara, Keiji Yuzawa | 1996-10-15 |
| 5438340 | Elliptical feedhorn and parabolic reflector with perpendicular major axes | Yoshikazu Yoshida | 1995-08-01 |
| 5384557 | Polarization separator and waveguide-microstrip line mode transformer for microwave apparatus | Yoshikazu Yoshida, Kenichi Kawasaki, Shozo Horisawa, Hiroyuki Mita | 1995-01-24 |
| 5301352 | Satellite broadcast receiving system and change-over divider for use in same | Yutaka Nakagawa, Tadashi Kajiwara, Keiji Yuzawa | 1994-04-05 |
| 5276410 | Circular to linear polarization converter | Yoshikazu Yoshida | 1994-01-04 |
| 5087920 | Microwave antenna | Shinobu Tsurumaru, Fumihior Ito | 1992-02-11 |
| 4914449 | Microwave antenna structure with intergral radome and rear cover | Takashi Otsuka, Shinobu Tsurumaru, Junichi Kajikuri, Fumihiro Ito | 1990-04-03 |
| 4827276 | Microwave antenna | Fumihiro Ito, Junichi Kajikuri, Shinobu Tsurumaru | 1989-05-02 |
| 4792810 | Microwave antenna | Fumihiro Ito, Shinobu Tsurumaru | 1988-12-20 |
| 4570165 | Adjustable loop and dipole antenna | Shinobu Tsurumaru, Yoshio Ishigaki, Koji Ouchi, Takashi Yoshikawa, Kazuhiro Imai +2 more | 1986-02-11 |