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For the Inventor, By the Inventor

Akashi, Japan

Tutomu Nakamura

This inventor holds 6 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1977-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tutomu Nakamura. Retrieved from https://idiyas.com/inventor/tutomu-nakamura

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 101(Granted Patents)


Location History:

  • Akashi, JA (1977)
  • Akashi, JP (1978 - 1984)
  • Nara, JP (1987 - 1988)

Company Filing History:

goldMedal6 out of 25,949 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1977-1988

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6 patents (USPTO):Explore Patents
1. 4757311 - Dot matrix panel display control (1988-07-12),
2. 4670765 - Semiconductor photodetector element (1987-06-02),
3. 4468584 - Unidirectional flexure type tuning fork crystal vibrator (1984-08-28),
4. 4149368 - Electronic timepiece with negative resistance light emitting elements (1979-04-17),
5. 4115832 - Igniter utilizing a negative resistance light emitting diode (1978-09-19),
6. 4055755 - Switching assembly in combination wristwatch and calculator (1977-10-25),

Title: Tutomu Nakamura: Innovator in Display Technology

Introduction

Tutomu Nakamura is a prominent inventor based in Akashi, Japan. He has made significant contributions to the field of display technology, holding a total of 6 patents. His innovative work has paved the way for advancements in image display systems and semiconductor technology.

Latest Patents

One of Nakamura's latest patents is for a dot matrix panel display control. This system allows for the display of a desired portion of an image in increased magnification on a dot matrix image display panel. The invention includes a shift circuit that automatically shifts the position of the enlarged portion in a predetermined direction. This shift circuit not only determines the portion to be displayed with increased magnification but also controls the speed at which the enlarged display is shifted. Another notable patent is for a semiconductor photodetector element. This element features a three-dimensional multi-layer structure that includes a photoconductive layer for photoelectric conversion, a layer for binary conversion and amplification, and a layer with a redundancy circuit. This design eliminates the need for external reset and clock inputs, ensuring correct image information even in the presence of defective cells among the photodetection conversion cells.

Career Highlights

Nakamura is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the capabilities of display systems and semiconductor devices.

Collaborations

Throughout his career, Nakamura has collaborated with notable colleagues, including Hidetoshi Maeda and Takehiko Sasaki. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Tutomu Nakamura's contributions to display technology and semiconductor devices highlight his role as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing technology and improving image display systems.

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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