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For the Inventor, By the Inventor

Suwa, Japan

Kuniyasu Matsui

This inventor holds 7 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1994-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kuniyasu Matsui. Retrieved from https://idiyas.com/inventor/kuniyasu-matsui

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 369(Granted Patents)


Location History:

  • Suwa, JP (1994 - 1998)
  • Hotaka-machi, JP (2006 - 2007)
  • Hotaka, JP (2007)

Company Filing History:

goldMedal7 out of 34,238 
 
Seiko Epson Corporation
 patents

Years Active: 1994-2007

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7 patents (USPTO):Explore Patents
1. 7265909 - Lens substrate, a transmission screen and a rear projection device (2007-09-04),
2. 7193308 - Intermediate chip module, semiconductor device, circuit board, and electronic device (2007-03-20),
3. 7045443 - Method for manufacturing semiconductor device, semiconductor device, circuit board, and electronic apparatus (2006-05-16),
4. 5705302 - Color filter for liquid crystal display device and method for producing (1998-01-06),
5. 5554466 - Color filter and method of preparation (1996-09-10),
6. 5399450 - Method of preparation of a color filter by electrolytic deposition of a (1995-03-21),
7. 5294560 - Bidirectional nonlinear resistor, active matrix liquid crystal panel (1994-03-15),

Title: Kuniyasu Matsui: Innovator in Lens Technology

Introduction

Kuniyasu Matsui is a prominent inventor based in Suwa, Japan. He has made significant contributions to the field of lens technology, holding a total of 7 patents. His work has been instrumental in advancing optical devices and enhancing visual experiences.

Latest Patents

Matsui's latest patents include innovative designs such as a lens substrate, a transmission screen, and a rear projection device. The lens substrate, also known as a microlens substrate, features a first surface and a second surface opposite to it. Light enters the lens substrate from the first surface and exits from the second surface. This substrate comprises a plurality of convex lenses, or microlenses, formed on the first surface, allowing light to enter. Additionally, a colored portion is provided on the first surface, consisting of various regions with different percentages of a coloring agent, laminated in the thickness direction of the colored portion. Another notable patent involves an intermediate chip module for electrically connecting semiconductor chips, which includes a substrate with a trans-substrate conductive plug and a post electrode.

Career Highlights

Kuniyasu Matsui is associated with Seiko Epson Corporation, a leading company in imaging and printing technology. His work at Epson has allowed him to explore and develop cutting-edge optical technologies that have applications in various electronic devices.

Collaborations

Matsui has collaborated with notable coworkers such as Fumiaki Matsushima and Shigeyuki Ogino. Their combined expertise has contributed to the successful development of innovative technologies in the field.

Conclusion

Kuniyasu Matsui's contributions to lens technology and optical devices have made a significant impact in the industry. His innovative patents and collaborations continue to shape the future of visual 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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