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For the Inventor, By the Inventor

Matsumoto, Japan

Takeshi Takezawa

This inventor holds 69 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Projector Technology (CPC class G03B). Top assignee: Seiko Epson Corporation. Active years: 2002-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Takezawa. Retrieved from https://idiyas.com/inventor/takeshi-takezawa

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

USPTO Granted Patents = 69 

% Patents Active = 36.2

 

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 241(Granted Patents)

Forward Citations (Not Self Cited) = 208(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suwa, JP (2003 - 2004)
  • Makumoto, JP (2004)
  • Matsumoto, JP (2002 - 2021)

Company Filing History:

goldMedal69 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2002-2021

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Areas of Expertise:
Light Source Apparatus
Projector
Discharge Lamp
Illumination System
Lighting Device
Airflow Improvement
Image Display Apparatus
Control Method
High-Pressure Lamps
Time-Division Color-Separated Light
Lamp Device
69 patents (USPTO):Explore Patents
1. 11150548 - Light source apparatus and projector (2021-10-19),
2. 10983426 - Projector (2021-04-20),
3. 8937436 - Light source device, projector, and driving method of discharge lamp (2015-01-20),
4. 8807754 - Projector (2014-08-19),
5. 8591034 - Projector (2013-11-26),
6. 8558471 - Light source device, projector, and driving method of discharge lamp (2013-10-15),
7. 8506128 - Light source device, illumination system, and projector (2013-08-13),
8. 8350489 - Method of driving discharge lamp, driving device, and projector (2013-01-08),
9. 8344645 - Method of driving discharge lamp, driving device, and projector (2013-01-01),
10. 8317339 - Discharge lamp lighting device, projector, and control method of discharge lamp lighting device (2012-11-27),
11. RE43777 - Light source device and projector (2012-10-29),
12. 8287135 - Light source device and projector with improved airflow (2012-10-16),
13. 8264164 - Method of driving discharge lamp, driving device, and projector (2012-09-11),
14. 8246175 - Lighting device, light source device, projector, and discharge lamp lighting method (2012-08-21),
15. 8242425 - Projector having first and second lamps with an illumination control device for turning on lamp having higher contrast with respect to a light modulation device and method of controlling lighting thereof (2012-08-14),

Title: The Innovative Journey of Takeshi Takezawa

Introduction: Takeshi Takezawa, a pioneering inventor hailing from Matsumoto, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Takezawa's latest patents include a cutting-edge virtual reality device that has revolutionized the gaming industry, as well as a sustainable energy solution that aims to tackle environmental challenges.

Career Highlights: With a career spanning over two decades, Takezawa has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has garnered international recognition and numerous accolades.

Collaborations: Takezawa has collaborated with leading tech companies, research institutions, and universities to further his research and bring his inventions to life. His ability to work across disciplines and industries has led to the creation of groundbreaking technologies.

Conclusion: Takeshi Takezawa's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have solidified his position as a trailblazing inventor in the global tech landscape. His work continues to inspire future generations of inventors to think boldly and create solutions that shape the world of tomorrow.

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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