Company Filing History:

17 out of 42,508

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1979-1991

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5032916 - Method of detecting signal waveform disturbance in received television (1991-07-16),

2. 4636863 - Noise reduction circuit (1987-01-13),

3. 4589016 - FM television signal receiving circuit (1986-05-13),

4. 4555702 - Remote control signal reproducing circuit (1985-11-26),

5. 4491976 - Wide-band tuner having a temperature-compensated microstrip resonator (1985-01-01),

6. 4417279 - FM Television signal receiving circuit (1983-11-22),

7. 4392249 - Electronic channel selection apparatus with surface acoustic wave device (1983-07-05),

8. 4363134 - Channel selection apparatus (1982-12-07),

9. 4337486 - Synchronizing signal discriminator for use in channel selection (1982-06-29),

10. 4270219 - Channel selection apparatus tunable to destined frequency in short time (1981-05-26),

11. 4270215 - Channel indicator (1981-05-26),

12. 4247953 - Tunable high-frequency input circuit (1981-01-27),

13. 4233591 - Digital-to-analog converter of the pulse width modulation type (1980-11-11),

14. 4232397 - Automatic channel selection apparatus (1980-11-04),

15. 4211988 - Search tuning system for television receiver (1980-07-08),

Title: Innovations by Shigeo Matsuura: A Pioneer in Signal Processing Technology

Introduction

Shigeo Matsuura, an influential inventor based in Yokohama, Japan, is known for his substantial contributions to signal processing technology. With a remarkable portfolio of 17 patents, Matsuura has developed innovative solutions that enhance the quality of television signal transmission and video processing.

Latest Patents

One of Matsuura's notable patents involves a method of detecting signal waveform disturbance in received television broadcasts. This invention addresses the cancellation of ghost components that can disrupt picture signal waveforms. The technique employs a reference pulse signal inserted during specific periods to facilitate the accurate detection and cancellation of these ghost components, thereby improving visual quality.

Another significant patent by Matsuura is the noise reduction circuit designed for video signals. This innovative circuit incorporates delay circuits, averaging circuits, and edge detection circuits to minimize noise in video outputs. The system is adept at recognizing pattern edges within the video signal, ensuring that noise reduction functions optimally without affecting visual integrity.

Career Highlights

Shigeo Matsuura has worked with esteemed companies such as Hitachi, Ltd. and Nippon Hoso Kyokai, where he harnessed his expertise in signal processing to drive technological advancements. His career is marked by a keen focus on improving television technology and enhancing the viewer experience.

Collaborations

Throughout his career, Matsuura has collaborated with talented individuals like Toshinori Murata and Eisaku Akutsu. Their combined efforts have led to significant developments in the field of video signal processing, contributing to the industry's evolution.

Conclusion

With 17 patents under his name, Shigeo Matsuura stands as a prominent figure in the realm of inventions related to signal processing. His innovative methods for detecting and reducing signal disturbances have had a lasting impact on television technology, exemplifying the power of creativity and collaboration in advancing industry standards. Matsuura's work continues to inspire future inventors and engineers in the field.

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