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For the Inventor, By the Inventor

Kanagawa, Japan

Takamitsu Okumura

This inventor holds 5 USPTO granted patents. Top assignee: Fujifilm Corporation. Active years: 2010-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takamitsu Okumura. Retrieved from https://idiyas.com/inventor/takamitsu-okumura

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

USPTO Granted Patents = 5

% Patents Active = 60.0

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Minami-ashigara, JP (2010)
  • Kanagawa, JP (2010 - 2012)

Company Filing History:

goldMedal5 out of 16,980 
 
Fujifilm Corporation
 patents

Years Active: 2010-2012

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5 patents (USPTO):Explore Patents
1. 8210732 - Light guide plate, light guide plate assembly, and planar lighting device and liquid crystal display device using these (2012-07-03),
2. 7866872 - Light guide plate, light guide plate unit, and planar lighting device (2011-01-11),
3. 7742155 - Diffusion material, diffusion material evaluating method, blending method for fine particles in the diffusion material, and production method for the diffusion material (2010-06-22),
4. 7738054 - Liquid crystal display device (2010-06-15),
5. 7645048 - Planar lighting device (2010-01-12),

Title: Takamitsu Okumura: Innovator in Light Guide Technology

Introduction

Takamitsu Okumura is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical technology, particularly in the development of light guide plates and related devices. With a total of 5 patents to his name, Okumura's work has had a substantial impact on the industry.

Latest Patents

Okumura's latest patents include innovative designs for light guide plates, light guide plate assemblies, and planar lighting devices. One of his notable inventions is a light guide plate that features a light exit plane and a light entrance end. This plate is designed with a thickness that gradually increases as it moves away from the light entrance end, incorporating scattering particles that enhance light propagation. Additionally, his light guide plate assembly includes a prism sheet with parallel prisms that optimize light distribution. These inventions are characterized by specific parameters that ensure high light use efficiency and effective brightness distribution.

Career Highlights

Takamitsu Okumura has built a successful career at Fujifilm Corporation, where he has been instrumental in advancing optical technologies. His expertise in light guide technology has positioned him as a key figure in the development of innovative lighting solutions. His work not only reflects his technical skills but also his commitment to enhancing visual experiences through improved lighting devices.

Collaborations

Throughout his career, Okumura has collaborated with notable colleagues, including Toshiaki Endo and Osamu Iwasaki. These partnerships have fostered a creative environment that has led to the successful development of various optical technologies.

Conclusion

Takamitsu Okumura's contributions to light guide technology exemplify his innovative spirit and dedication to advancing optical solutions. His patents and collaborations continue to influence the industry, making him a significant figure in the field of inventions.

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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