Otsuki, Japan

Kunio Shimizu

This inventor holds 23 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignees: Konica Corporation, Konica Minolta Opto, Inc., Konica Minolta, Inc.. Active years: 1991-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Shimizu. Retrieved from https://idiyas.com/inventor/kunio-shimizu

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

Calculating rank

% Patents Active = 60.9

Average Co-Inventor Count = 3.0

ph-index = 8

Forward Citations = 243(Granted Patents)


Location History:

  • Hino, JP (1991 - 2009)
  • Otsuki, JP (2008 - 2013)
  • Yamanashi, JP (2006 - 2015)

Company Filing History:


Years Active: 1991-2015

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Areas of Expertise:
Polarizing Plate
Liquid Crystal Display
Cellulose Ester Film
Optical Film
Protective Film
Manufacturing Method
Stretched Film
Retardation Film
Image-Forming Material
Transfer Method
Image Proofs
23 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Kunio Shimizu in Polarizing Technology

Introduction

Kunio Shimizu, an esteemed inventor based in Otsuki, Japan, has made significant strides in the field of polarizing technology. With an impressive portfolio of 23 patents, Shimizu's innovations have paved the way for advancements in liquid crystal displays and other optical technologies.

Latest Patents

Among his latest patents, Shimizu has focused on the development of polarizing plate protective films. These films are designed to sandwich a polarizer with two protective layers, where at least one of the films meets specific refractive index parameters. His patents detail a polarizing plate protective film that demonstrates Ro defined by specific expressions and ranges, along with hard coat layers that enhance durability. This level of innovation highlights the technical sophistication and practical application of his work in modern display technologies.

Career Highlights

Shimizu has contributed extensively to the industry during his tenure at prominent companies such as Konica Corporation and Konica Minolta Opto, Inc. His work has been pivotal in the enhancement and evolution of polarizing materials used in various applications.

Collaborations

Throughout his career, Shimizu has had the opportunity to work alongside notable colleagues, including Isamu Michihata and Shigeki Oka. These collaborations have facilitated a synergistic approach to research and development within the field, further enhancing the innovations that stem from their collective expertise.

Conclusion

Kunio Shimizu’s contributions to the field of polarizing technology through his patents and professional collaborations illustrate his outstanding impact on modern optics. His ongoing dedication to innovation continues to influence the industry, solidifying his reputation as a leading inventor in Japan.

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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