Ohme, Japan

Mitsuo Tanaka

This inventor holds 7 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuo Tanaka. Retrieved from https://idiyas.com/inventor/mitsuo-tanaka-6emihqr1

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 190(Granted Patents)


Location History:

  • Ohme, JA (1976 - 1977)
  • Ohme, JP (1980 - 1985)
  • Yokohama, JP (1994)

Company Filing History:


Years Active: 1976-1994

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7 patents (USPTO):Explore Patents

Title: Mitsuo Tanaka: Innovator in Display Technology

Introduction

Mitsuo Tanaka is a prominent inventor based in Ohme, Japan. He has made significant contributions to the field of display technology, holding a total of 7 patents. His innovative work has paved the way for advancements in digital display systems.

Latest Patents

One of Tanaka's latest patents is the "Scanning Conversion Display Apparatus." This invention utilizes a matrix display panel, such as a liquid crystal panel, to convert the number of scanning lines displayed to a number that can be accommodated on a panel with fewer scanning lines. The apparatus features a control circuit that generates control signals synchronized with the input video signal, along with horizontal and vertical scanning circuits that include a shift register operated by the control circuit. The display panel consists of a matrix arrangement of pixels driven selectively by the scanning circuits. Additionally, the apparatus incorporates a circuit that halts the operation of the vertical shift register at specific intervals within the effective scanning period, allowing for the extraction of vertical shift clocks and periodically extracting scanning lines.

Another notable patent is the "Time Domain Multiplexer." This invention enhances the versatility of a time domain multiplexer for digital channel signals of unequal bit rates. It comprises multiple channel units that provide information and bit rate signals from input channel signals, along with several logic circuits that multiplex the information signals. A control circuit selects and combines the logic circuits based on the bit rate signal, resulting in a multiplexer that conforms to the specified bit rate.

Career Highlights

Mitsuo Tanaka is currently employed at Hitachi, Ltd., where he continues to innovate and contribute to the field of technology. His work has been instrumental in developing advanced display systems that are widely used in various applications.

Collaborations

Throughout his career, Tanaka has collaborated with notable colleagues, including Minoru Maeda and Seiichi Onoda. These partnerships have fostered a creative environment that has led to groundbreaking advancements in technology.

Conclusion

Mitsuo Tanaka's contributions to display technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of modern display systems, showcasing the importance of innovation in technology.

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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