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For the Inventor, By the Inventor

Shiga, Japan

Akira Shishido

This inventor holds 6 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1997-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Shishido. Retrieved from https://idiyas.com/inventor/akira-shishido

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 = 1.3

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Tokyo, JP (1998)
  • Shiga, JP (1997 - 2002)

Company Filing History:

goldMedal6 out of 36,684 
 
Nec Corporation
 patents

Years Active: 1997-2002

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6 patents (USPTO):Explore Patents
1. 6396203 - Color shadow mask assembly with increased resistance to heat and vibration (2002-05-28),
2. 5977726 - CRT system using electrostatic quadruple lens (1999-11-02),
3. 5936336 - Shadow mask structure for cathode ray tube (1999-08-10),
4. 5896001 - Black matrix color cathode-ray tube having a red pattern wider than each (1999-04-20),
5. 5719475 - Electron gun with a dynamic driving quadrupole lens for a color cathode (1998-02-17),
6. 5682078 - Electron gun having two-dimensional arrays of improved field emission (1997-10-28),

Title: Akira Shishido: Innovator in Display Technology

Introduction

Akira Shishido is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of display technology, holding a total of 6 patents. His work focuses on enhancing the performance and durability of color shadow mask assemblies and CRT systems.

Latest Patents

One of his latest patents is a color shadow mask assembly with increased resistance to heat and vibration. This innovative assembly includes a shadow mask that is spaced apart from the inner surface of a face panel by a predetermined gap. The shadow mask features a curved surface and is supported by a rectangular frame that is integrally formed by welding. This design allows for improved stability and performance under varying conditions.

Another notable patent is a CRT system using an electrostatic quadruple lens. This system prevents resolution degradation on a phosphor screen due to variations in the electron gun's performance. The electron gun emits red, green, and blue electron beams, which are focused onto the phosphor screen by first and second focusing electrodes. The system utilizes a unique combination of AC and DC voltages to create an electrostatic quadruple lens, allowing for precise control over the focusing action.

Career Highlights

Akira Shishido is currently employed at NEC Corporation, where he continues to innovate in the field of display technology. His work has been instrumental in advancing the capabilities of CRT systems and enhancing the overall user experience.

Collaborations

Throughout his career, Shishido has collaborated with notable colleagues, including Nobumitsu Aibara and Takashi Magoi. These collaborations have contributed to the development of cutting-edge technologies in the display industry.

Conclusion

Akira Shishido's contributions to display technology through his innovative patents and collaborations highlight his role as a key figure in the field. His work continues to influence advancements in display systems, ensuring better performance and reliability for users.

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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