Tomiyoshi Ushiyama

This inventor holds 23 USPTO granted patents, primarily in Projection Technology. Top assignees: Seiko Epson Corporation, Seiko Corporation. Active years: 1998-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomiyoshi Ushiyama. Retrieved from https://idiyas.com/inventor/tomiyoshi-ushiyama

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

USPTO Granted Patents = 23

% Patents Active = 87.0

Average Co-Inventor Count = 2.8

ph-index = 9

Forward Citations = 254(Granted Patents)

Location History:

Minowa-machi, JP (2000 - 2007)
Suwa, JP (1998 - 2008)

Company Filing History:

22 out of 34,296

Seiko Epson Corporation

Years Active: 1998-2008

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Areas of Expertise:

Optical Element

Polarization Illumination

Projection Display

Dichroic Prism

Light-Source Lamp

Projector

Light-Shielding Members

Optical Component Casing

Light-Source Device

Projection-Type Display

Circuit for Driving Light Source

Prism Unit

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE40251 - Optical element, polarization illumination device, and projector (2008-04-21),

2. RE39859 - Dichroic prism, prism unit, and projection display apparatus (2007-09-24),

3. 7126648 - Liquid crystal projector comprising a plurality of light shielding members fixed between the lens array and the polarized light generator (2006-10-24),

4. RE39243 - Optical element, polarization illumination device, and projector (2006-08-21),

5. 7006004 - Light-source lamp unit, light-source device and projection-type display apparatus (2006-02-28),

6. 6994438 - Optical component casing, optical device and projector (2006-02-07),

7. 6979960 - Circuit for driving light source, projector, method for controlling lighting of light source, and computer readable program for executing the same (2005-12-27),

8. 6805450 - Projector (2004-10-19),

9. 6690282 - Light-source lamp unit, light-source device and projection-type display apparatus (2004-02-10),

10. 6637886 - Projection display device (2003-10-28),

11. 6612702 - Projection display device (2003-09-02),

12. 6556256 - Projector and prism used therein (2003-04-29),

13. 6547401 - Projector (2003-04-15),

14. 6443576 - Projector (2002-09-03),

15. 6371617 - Projector (2002-04-16),

Title: Tomiyoshi Ushiyama: Pioneering Innovations in Technology

Introduction:

Tomiyoshi Ushiyama, a visionary inventor hailing from Minowa-machi, JP, is renowned for his passion for innovation and relentless pursuit of excellence in the world of technology. His groundbreaking inventions have left a lasting impact, inspiring the next generation of inventors worldwide.

Latest Patents:

Ushiyama's latest patents showcase his ingenuity in the field of optics and projection technology. His inventions include an Optical element, polarization illumination device, and projector, which feature innovative polarization conversion element arrays designed to enhance the quality of light beams in projection display systems.

Career Highlights:

With an impressive portfolio of 23 patents, Ushiyama has established himself as a leading figure in the realm of technological innovation. Over the years, he has made significant contributions to companies like Seiko Epson Corporation and Seiko Corporation, where his inventive spirit has flourished.

Collaborations:

Throughout his career, Ushiyama has collaborated with esteemed colleagues such as Akitaka Yajima and Yasunori Ogawa. Their collective expertise and shared dedication to pushing the boundaries of technology have led to the development of cutting-edge solutions in the field of optics and projection display systems.

Conclusion:

Tomiyoshi Ushiyama's legacy as a visionary inventor continues to inspire and shape the landscape of innovation. His unwavering commitment to excellence and pioneering spirit serve as a beacon for aspiring inventors, reaffirming the transformative power of creativity and ingenuity in driving technological advancements.Dot

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]