Mobara, Japan

Hisao Nakamura

This inventor holds 9 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Microcomputer System, Ltd., Other. Active years: 1983-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Nakamura. Retrieved from https://idiyas.com/inventor/hisao-nakamura-tl15uxa2

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 74(Granted Patents)


Location History:

  • Akiruno, JP (2000 - 2002)
  • Mobara, JP (1983 - 2003)

Company Filing History:


Years Active: 1983-2003

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9 patents (USPTO):Explore Patents

Title: Hisao Nakamura: Innovator in Cathode Ray Tube Technology

Introduction

Hisao Nakamura is a notable inventor based in Mobara, Japan. He has made significant contributions to the field of cathode ray tube technology, holding a total of 9 patents. His work has been instrumental in advancing the design and functionality of color cathode ray tubes.

Latest Patents

One of Hisao Nakamura's latest patents involves a color cathode ray tube that features an internal voltage-dividing resistor. This innovative design includes an electron gun located in the neck portion of the tube. The focus electrodes and anode are secured by two insulating support rods. The voltage-dividing resistor is strategically placed near one of the insulating support rods, allowing it to produce an intermediate voltage applied to the first focus electrode adjacent to the anode by dividing the anode voltage. The resistor is composed of an insulating film, a resistance pattern, an insulating substrate, and a second film containing an oxide of a transition metal. Additionally, a metal conductor surrounds the voltage-dividing resistor and is fixed to a second focus electrode, which is positioned upstream of the first focus electrode in the path of the electron beams.

Career Highlights

Throughout his career, Hisao Nakamura has worked with prominent companies, including Hitachi, Ltd. His expertise in cathode ray tube technology has led to numerous advancements in the field. His innovative designs have contributed to the evolution of display technologies.

Collaborations

Hisao Nakamura has collaborated with notable colleagues such as Seiichi Ichihara and Ryosuke Kimoto. Their combined efforts have furthered the development of cathode ray tube technology and have led to significant advancements in the industry.

Conclusion

Hisao Nakamura's contributions to the field of cathode ray tube technology are noteworthy. His innovative designs and patents have played a crucial role in the advancement of display technologies. His work continues to influence the industry and inspire future innovations.

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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