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For the Inventor, By the Inventor

Sagamihara, Japan

Katsuhito Sakamoto

This inventor holds 7 USPTO granted patents and 2 published patent applications. Top assignee: Casio Computer Co., Ltd.. Active years: 1996-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhito Sakamoto. Retrieved from https://idiyas.com/inventor/katsuhito-sakamoto

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 = 100.0

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 81(Granted Patents)


Location History:

  • Yokohama, JP (1996)
  • Sagamihara, JP (1998 - 2001)

Company Filing History:

goldMedal7 out of 5,234 
 
Casio Computer Co., Ltd.
 patents

Years Active: 1996-2001

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7 patents (USPTO):Explore Patents
1. 6307608 - Liquid crystal display having wide viewing angle range (2001-10-23),
2. 6014195 - LCD device with polarizers having polarizing and transmittance (2000-01-11),
3. 5963187 - Liquid crystal display apparatus using liquid crystal having (1999-10-05),
4. 5920301 - Liquid crystal display apparatus using liquid crystal having (1999-07-06),
5. 5737047 - Color liquid crystal display device with optical axes of retardation (1998-04-07),
6. 5559620 - Anti-ferroelectric liquid crystal display device with intersecting (1996-09-24),
7. 5490000 - Deformed helix ferroelectric liquid crystal display device and method of (1996-02-06),

Title: Innovations of Katsuhito Sakamoto

Introduction

Katsuhito Sakamoto is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 7 patents. His work has greatly influenced the development of high-quality display devices.

Latest Patents

Sakamoto's latest patents include a liquid crystal display having a wide viewing angle range. This innovation involves the use of first and second retardation films with negative optical anisotropy, which are strategically placed to enhance the display's performance. Another notable patent is for an LCD device with polarizers that have specific polarization characteristics, allowing for the display of pure white and improved transmittance across various wavelengths.

Career Highlights

Throughout his career, Sakamoto has been associated with Casio Computer Co., Ltd., where he has played a vital role in advancing display technologies. His expertise in liquid crystal displays has positioned him as a key figure in the industry.

Collaborations

Sakamoto has collaborated with notable coworkers such as Tomio Tanaka and Jun Ogura. Their combined efforts have contributed to the success of various projects within the company.

Conclusion

Katsuhito Sakamoto's innovations in liquid crystal display technology have made a lasting impact on the industry. His patents reflect a commitment to enhancing display quality and performance, solidifying his reputation as a leading inventor in this field.

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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