Ryoichi Miyamoto

Person

Minato-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Angular modulator with a phase variation divided and integrated
- Patent number 5,905,413
- Issue date May 18, 1999
- Oki Electric Industry Co., Ltd.
- Tatsumasa Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Peak correlation timing recovery circuit and receiving apparatus
- Patent number 5,761,211
- Issue date Jun 2, 1998
- Oki Electric Industry Co., Ltd.
- Norio Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Angular modulator with a phase variation divided and integrated
- Patent number 5,751,198
- Issue date May 12, 1998
- Oki Electric Industry Co., Ltd.
- Tatsumasa Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame synchronization apparatus
- Patent number 5,680,421
- Issue date Oct 21, 1997
- Oki Electric Industry Co., Ltd.
- Haruhiro Shiino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive noise canceller
- Patent number 5,473,702
- Issue date Dec 5, 1995
- Oki Electric Industry Co., Ltd.
- Tatsumasa Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Double-talk detection in an echo canceller
- Patent number 4,894,820
- Issue date Jan 16, 1990
- Oki Electric Industry Co., Ltd.
- Ryoichi Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive digital filter
- Patent number 4,779,225
- Issue date Oct 18, 1988
- Oki Electric Industry Co., Ltd.
- Atsushi Fukasawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Adaptive digital filter
- Patent number 4,660,163
- Issue date Apr 21, 1987
- OKI Electric Co. Ltd
- Atsushi Fukasawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stripline circulator wherein each inner conductor is V-shaped
- Patent number 4,246,552
- Issue date Jan 20, 1981
- Oki Electric Industry Co., Ltd.
- Atsushi Fukasawa
- H01 - BASIC ELECTRIC ELEMENTS

Ryoichi Miyamoto

Person

Patents Grantslast 30 patents

Angular modulator with a phase variation divided and integrated

Peak correlation timing recovery circuit and receiving apparatus

Angular modulator with a phase variation divided and integrated

Frame synchronization apparatus

Adaptive noise canceller

Double-talk detection in an echo canceller

Adaptive digital filter

Adaptive digital filter

Stripline circulator wherein each inner conductor is V-shaped