Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110182 | Glass sheet incorporating a plurality of optical elements and method for manufacturing the same | Katsunori Mukasa, Masaaki Fukuda, Yasuhiko Sato | 2006-09-19 |
| 7085078 | Combined optical elements | Hiroaki Fujita, Yasuhiko Sato | 2006-08-01 |
| 6822803 | Optical component with multiple glass optical elements and manufacturing method thereof | Katsunori Mukasa, Masaaki Fukuda, Yasuhiko Sato | 2004-11-23 |
| 6044117 | Peak clipping circuit provided in a quadrature modulator and a method of clipping peak levels of in-phase and quadrature signals | — | 2000-03-28 |
| 5933424 | Transmitter capable of preventing interruption on occurrence of a fault | — | 1999-08-03 |
| 5630218 | Radio receiving device for measuring an electric field level of a receiving channel and adjacent channels using common components | — | 1997-05-13 |
| 5533068 | Frequency error detecting device capable of correctly detecting a frequency error between a carrier frequency and a standard frequency | — | 1996-07-02 |
| 5438691 | Receiver using a plurality of amplifiers and analog-to-digital converters for demodulating and decoding a signal | — | 1995-08-01 |
| 5363414 | Method for detecting a signal sequence | — | 1994-11-08 |
| 5359628 | Channel impulse response estimator for use in an adaptive maximum likelihood sequence estimation receiver which is applicable to a communication system having a channel characteristic with rapid fluctuation | — | 1994-10-25 |
| 5157672 | Interference detection apparatus for use in digital mobile communications system | Seiji Kondou, Yoshihisa Isoda | 1992-10-20 |
| 5146223 | Analog-to-digital converter circuit | — | 1992-09-08 |
| 5113415 | Detection of a particular signal sequence with no adverse influence of multipath transmission | — | 1992-05-12 |
| 5079512 | Quadrature demodulation of a data sequence following a particular signal sequence with a local reference carrier signal having a frequency different from a received carrier signal | — | 1992-01-07 |
| 5065411 | Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property | — | 1991-11-12 |