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For the Inventor, By the Inventor

Matsumoto, Japan

Hidemasa Yamakawa

USPTO Granted Patents = 12 

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Azusagawa-mura, JP (2002 - 2006)
  • Azasagawa-mura, JP (2007)
  • Matsumoto, JP (2002 - 2012)

Company Filing History:

goldMedal12 out of 33,464 
 
Seiko Epson Corporation
 patents

Years Active: 2002-2025

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12 patents (USPTO):Explore Patents
1. 12449168 - Positive displacement machine, compressor, cooling device, and electronic apparatus (2025-10-21),
2. 8248545 - Projector (2012-08-21),
3. 7390095 - Projector (2008-06-24),
4. 7329007 - Projector (2008-02-12),
5. 7267443 - Light-modulating projector (2007-09-11),
6. 7216991 - Lighting unit and projector including the same (2007-05-15),
7. 7156523 - Projector (2007-01-02),
8. 7123311 - Projector with a micro lens array (2006-10-17),
9. 7086743 - Rear projection type projector and its method of use (2006-08-08),
10. 6619800 - Projector comprising a polarizer attached to a transmissive flexible plate material that bends responsive to changes in the shape of the polarizer (2003-09-16),
11. 6491397 - Illumination optical system and projector using the same (2002-12-10),
12. 6481850 - Projector (2002-11-19),

Title: Inventor Hidemasa Yamakawa

Introduction: Hidemasa Yamakawa is a renowned inventor based in Matsumoto, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Yamakawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Yamakawa has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Yamakawa has collaborated with top companies in Japan and internationally, fostering a culture of innovation and driving progress in the global tech landscape.

Conclusion: Hidemasa Yamakawa's dedication to pushing the boundaries of technology and his passion for creating impactful inventions have solidified his reputation as a visionary inventor in the world of innovation.

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