Oohashi; Makoto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oohashi; Makoto.The latest application filed is for "dtmf signal transmission method and communication apparatus".
- Oohashi; Makoto - Koriyama JP
- Oohashi, Makoto - Koriyama-shi JP
| Patent | Date |
|---|---|
| DTMF signal transmission method and communication apparatus Grant 7,532,606 - Suzuki , et al. May 12, 2 | 2009-05-12 |
| DTMF signal transmission method and communication apparatus Grant 7,062,033 - Suzuki , et al. June 13, 2 | 2006-06-13 |
| DTMF signal transmission method and communication apparatus Grant 7,050,570 - Suzuki , et al. May 23, 2 | 2006-05-23 |
| DTMF signal transmission method and communication apparatus App 20040160965 - Suzuki, Shinya ; et al. | 2004-08-19 |
| DTMF signal transmission method and communication apparatus App 20040161098 - Suzuki, Shinya ; et al. | 2004-08-19 |
| DTMF signal transmission method and communication apparatus App 20040160966 - Suzuki, Shinya ; et al. | 2004-08-19 |
| System for transmitting DTMF signal and communication equipment thereof Grant 6,700,973 - Suzuki , et al. March 2, 2 | 2004-03-02 |
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