Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11005463 | Signal processor and signal processing method | — | 2021-05-11 |
| 9151801 | Measurement circuit and test apparatus | Masahiro Ishida | 2015-10-06 |
| 8896332 | Test apparatus with voltage margin test | Masahiro Ishida, Daisuke Watanabe, Toshiyuki Okayasu | 2014-11-25 |
| 8659330 | Signal generation apparatus and signal generation method | — | 2014-02-25 |
| 8271219 | Deterministic component model identifying apparatus, identifying method, program, recording medium, test system and electronic device | Takahiro Yamaguchi, Masahiro Ishida | 2012-09-18 |
| 8204165 | Jitter measurement apparatus, electronic device, and test apparatus | Masahiro Ishida | 2012-06-19 |
| 8175828 | Evaluation apparatus, evaluation method, program, recording medium and electronic device | Masahiro Ishida, Takahiro Yamaguchi | 2012-05-08 |
| 8155215 | Transmission system, transmitter, receiver, and transmission method | Masahiro Ishida | 2012-04-10 |
| 8068538 | Jitter measuring apparatus, jitter measuring method and test apparatus | Masahiro Ishida, Yasuhide Kuramochi, Takahiro Yamaguchi | 2011-11-29 |
| 8045605 | Jitter amplifier circuit, signal generation circuit, semiconductor chip, and test apparatus | Masahiro Ishida | 2011-10-25 |
| 8014465 | Digital modulator, digital modulating method, digital transceiver system, and testing apparatus | Masahiro Ishida, Takahiro Yamaguchi | 2011-09-06 |
| 7999531 | Phase detecting apparatus, test apparatus and adjusting method | — | 2011-08-16 |
| 8000931 | Deterministic component model judging apparatus, judging method, program, recording medium, test system and electronic device | Masahiro Ishida, Takahiro Yamaguchi | 2011-08-16 |
| 7971107 | Calculation apparatus, calculation method, program, recording medium, test system and electronic device | Masahiro Ishida | 2011-06-28 |
| 7957458 | Jitter measurement apparatus, jitter measurement method, test apparatus and electronic device | Masahiro Ishida, Takahiro Yamaguchi, Mani Soma | 2011-06-07 |
| 7945405 | Jitter measurement apparatus, jitter measurement method, recording media, communication system and test apparatus | Masahiro Ishida | 2011-05-17 |
| 7917331 | Deterministic component identifying apparatus, identifying, program, recording medium, test system and electronic device | Masahiro Ishida, Takahiro Yamaguchi | 2011-03-29 |
| 7904776 | Jitter injection circuit, pattern generator, test apparatus, and electronic device | Masahiro Ishida | 2011-03-08 |
| 7903776 | Jitter measurement apparatus, jitter calculator, jitter measurement method, program, recording medium, communication system and test apparatus | Masahiro Ishida, Takahiro Yamaguchi | 2011-03-08 |
| 7844020 | Transmission system, transmitter, receiver, and transmission method | — | 2010-11-30 |
| 7834639 | Jitter injection circuit, pattern generator, test apparatus, and electronic device | Masahiro Ishida | 2010-11-16 |
| 7801211 | Communication system, receiver unit, and adaptive equalizer | Masahiro Ishida | 2010-09-21 |
| 7778319 | Jitter measuring apparatus, jitter measuring method and test apparatus | Masahiro Ishida, Yasuhide Kuramochi, Takahiro Yamaguchi | 2010-08-17 |
| 7724811 | Delay circuit, jitter injection circuit, and test apparatus | Masahiro Ishida, Takahiro Yamaguchi | 2010-05-25 |
| 7715512 | Jitter measurement apparatus, jitter measurement method, and recording medium | Masahiro Ishida, Takahiro Yamaguchi | 2010-05-11 |