Yamato, Japan

Masao Tomioka

This inventor holds 3 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1976-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Tomioka. Retrieved from https://idiyas.com/inventor/masao-tomioka-bs8jfbx5

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 27(Granted Patents)


Location History:

  • Kawaguchi, JA (1976)
  • Yamato, JP (1987)
  • Kanagawa, JP (1989)

Company Filing History:


Years Active: 1976-1989

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3 patents (USPTO):Explore Patents

Title: The Innovations of Masao Tomioka

Introduction

Masao Tomioka is a notable inventor based in Yamato, Japan. He has made significant contributions to the field of audio and video technology, holding three patents that showcase his innovative spirit and technical expertise. His work primarily focuses on enhancing the functionality of video tape recorders, making them more efficient and user-friendly.

Latest Patents

One of Tomioka's latest patents is a sound field expansion system for a video tape recorder. This system allows for the expansion of the sound field in a simple construction, utilizing a circuit that virtually forms two comb filter characteristics. By adding a first audio signal and a second audio signal delayed by a predetermined interval, the system can remarkably expand the reproduced sound field. Additionally, a correction circuit is included to provide a desired frequency characteristic, ensuring that the acoustic image can be positioned accurately.

Another significant patent is the method and apparatus for recording scrambled television signals. This invention enables a video tape recorder to automatically record scrambled television programs by detecting program code signals placed in vertical blanking intervals. Upon sensing these signals, the recorder activates to record the scrambled program without the need for manual timers. This innovation simplifies the recording process and enhances user convenience.

Career Highlights

Masao Tomioka is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation and quality in audio and video technology.

Collaborations

Throughout his career, Tomioka has collaborated with talented individuals such as Takashi Okada and Takao Mogi. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Masao Tomioka's contributions to audio and video technology through his patents demonstrate his innovative mindset and technical prowess. His work continues to influence the industry, making significant strides in enhancing user experience and functionality in video tape recorders.

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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