Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236690 | Direct-conversion receiver for digital-modulation signal | Masahiro Mimura, Makoto Hasegawa, Hiroyuki Harada, Takaaki Kishigami, Yasunari Tanaka | 2001-05-22 |
| 5987075 | FSK signal receiver | Katsuaki Abe, Takaaki Kishigami, Masahiro Mimura, Makoto Hasegawa, Yoichi Yamaki +2 more | 1999-11-16 |
| 5781588 | FSK signal receiver | Katsuaki Abe, Takaaki Kishigami, Masahiro Mimura, Makoto Hasegawa, Yoichi Yamaki +2 more | 1998-07-14 |
| 5640428 | Direct conversion receiver | Katsuaki Abe, Masahiro Mimura, Makoto Hasegawa, Kazunori Watanabe | 1997-06-17 |
| 5633898 | Automatic frequency control apparatus for FSK receiver and FSK receiver including the same | Takaaki Kishigami, Katsuaki Abe, Masahiro Mimura, Makoto Hasegawa | 1997-05-27 |
| 5617451 | Direct-conversion receiver for digital-modulation signal with signal strength detection | Masahiro Mimura, Makoto Hasegawa, Hiroyuki Harada, Takaaki Kishigami, Yasunari Tanaka | 1997-04-01 |
| 5450032 | FSK data demodulator using mixing of quadrature baseband signals | Masahiro Mimura, Makoto Hasegawa, Hiroyuki Harada | 1995-09-12 |
| 5448774 | Intermittent operation receiver | Yasumi Imagawa | 1995-09-05 |
| 5414736 | FSK data receiving system | Makoto Hasegawa, Kazuaki Takahashi, Masahiro Mimura, Kazunori Watanabe, Hiroyuki Harada | 1995-05-09 |
| 5293408 | FSK data receiving system | Kazuaki Takahashi, Makoto Hasegawa, Yasumi Imagawa, Hiroyuki Harada, Masahiro Mimura +1 more | 1994-03-08 |
| 5264805 | Amplifier for limiter | — | 1993-11-23 |