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For the Inventor, By the Inventor

Tokyo, Japan

Takahiko Tamura

This inventor holds 11 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1986-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Tamura. Retrieved from https://idiyas.com/inventor/takahiko-tamura

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 48(Granted Patents)


Company Filing History:

goldMedal11 out of 58,147 
 
Sony Corporation
 patents

Years Active: 1986-2008

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11 patents (USPTO):Explore Patents
1. 7355653 - Video signal processing circuit and video signal processing method (2008-04-08),
2. 5909258 - Cathode ray tube display and television set having the same (1999-06-01),
3. 5455634 - Dark level restoring circuit for television receiver (1995-10-03),
4. 5339011 - Display device (1994-08-16),
5. 5291287 - Vertical synchronization processing circuit (1994-03-01),
6. 5258840 - Apparatus for generating television raster distortion correction signals (1993-11-02),
7. 5146108 - Parabolic wave generator (1992-09-08),
8. 4806883 - Multifrequency oscillator circuit (1989-02-21),
9. 4692793 - Circuit for blanking the video of a television set for a time after (1987-09-08),
10. 4631589 - Dark level restoring circuit (1986-12-23),
11. 4587554 - CRT drive control circuit (1986-05-06),

Title: The Innovations of Takahiko Tamura

Introduction

Takahiko Tamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of video signal processing, holding a total of 11 patents. His work has been instrumental in advancing technologies used in display systems.

Latest Patents

One of his latest patents is a video signal processing circuit and method. This invention addresses the challenge of outputting an A/D-converted composite video signal while switching the system clock frequency. It ensures that the images displayed by the composite video signals remain undistorted during frequency changes. The system clock frequency is synchronized with a color burst signal, allowing for a stable sampling frequency that does not greatly change the sampling conditions. Another notable patent involves a cathode ray tube (CRT) display and television set. This invention separates horizontal and vertical synchronizing signals from a video synchronizing signal, generating position information for vertical frames. It outputs a vertical deflection waveform signal and a horizontal deflection correcting waveform signal, enhancing the display's performance.

Career Highlights

Takahiko Tamura has built a successful career at Sony Corporation, where he has been able to apply his innovative ideas and technical expertise. His work has contributed to the development of advanced video processing technologies that are widely used in consumer electronics.

Collaborations

Throughout his career, Takahiko has collaborated with talented individuals such as Jun Ueshima and Masaharu Tokuhara. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

Takahiko Tamura's contributions to video signal processing have had a lasting impact on the industry. His innovative patents and collaborative efforts continue to shape the future of display technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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