Osamu Okumura

This inventor holds 68 USPTO granted patents, primarily in Liquid Crystal Displays (CPC class G02F). Top assignees: Seiko Epson Corporation, Fujimori Kogyo Co., Ltd.. Active years: 1991-2022.

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

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

USPTO Granted Patents = 68

% Patents Active = 83.8

Average Co-Inventor Count = 1.7

ph-index = 16

Forward Citations = 936(Granted Patents)

Forward Citations (Not Self Cited) = 894(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nagano, JP (1999)
Suwa, JP (1991 - 2011)
Chino, JP (2001 - 2022)

Company Filing History:

68 out of 34,296

Seiko Epson Corporation

patents

3 out of 86

Fujimori Kogyo Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1991-2022

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Areas of Expertise:

Liquid Crystal Device

Electronic Apparatus

Projector

Wavelength Converter

Transflective LCD

Reflective Type LCD

Viewing Angle Control

Multi-Domain Display

Alignment Regulators

Projection Type Display

Color Filters

Reflective Film

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11508874 - Light emitting apparatus and projector (2022-11-22),

2. 11333961 - Wavelength converter, light source apparatus, and projector (2022-05-17),

3. 11215747 - Light source device and electronic apparatus (2022-01-04),

4. 10620520 - Wavelength conversion element, wavelength conversion system, light source apparatus, and projector (2020-04-14),

5. 9568771 - Liquid crystal device, electronic device and projector with maximum-light-intensity direction inclined from the direction normal to the substrates (2017-02-14),

6. 9229273 - Reflection type liquid crystal device having a tilt mechanism and LCD projector (2016-01-05),

7. 9013657 - Liquid crystal device, electronic device and projector with maximum-light-intensity direction inclined from the direction normal to the substrates (2015-04-21),

8. 8773621 - Liquid crystal device, electronic device and projector with maximum-light-intensity direction inclined from the direction normal to the substrates (2014-07-08),

9. 8690338 - Reflective liquid crystal projector (2014-04-08),

10. 8537289 - Projector (2013-09-17),

11. 8130344 - Liquid crystal device and electronic apparatus (2012-03-06),

12. 7995163 - Reflective type color liquid crystal device and an electronic apparatus using this (2011-08-09),

13. 7924376 - Liquid crystal device and electronic apparatus (2011-04-12),

14. 7907239 - Liquid crystal device and electronic apparatus (2011-03-15),

15. 7834958 - Reflective type color liquid crystal device and an electronic apparatus using this (2010-11-16),

Title: The Innovative Journey of Osamu Okumura

Introduction: Osamu Okumura is a distinguished inventor hailing from Chino, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Okumura's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights: With over two decades of experience in research and development, Okumura has held key positions in leading tech companies, where he spearheaded projects that have revolutionized various industries.

Collaborations: Throughout his career, Okumura has collaborated with top researchers, engineers, and designers from renowned universities and research institutions worldwide, fostering a culture of innovation and excellence.

Conclusion: Osamu Okumura's relentless pursuit of innovation and his commitment to pushing the boundaries of technology make him a true visionary in the world 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]