Suwa, Japan

Hidetoshi Yamamoto

This inventor holds 39 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Light Emitting Devices. Top assignee: Seiko Epson Corporation. Active years: 2011-2026.

USPTO Granted Patents = 39 

% Patents Active = 89.7


Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 101(Granted Patents)


Location History:

  • Nagano, JP (2015 - 2017)
  • Suwa, JP (2011 - 2023)

Company Filing History:


Years Active: 2011-2026

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Areas of Expertise:
Light Emitting Element
Biometric Information Detection
Image Display Device
Virtual Image Display
Thiadiazole Compound
Electronic Apparatus
Imaging Apparatus
Sensing Device
Display Device
Authentication Device
39 patents (USPTO):Explore Patents

Title: Hidetoshi Yamamoto: Innovator in Image Display Technology

Introduction: Hidetoshi Yamamoto, a prominent inventor based in Suwa, Japan, has made significant contributions to the field of image display technology. With a remarkable portfolio of 37 patents, Yamamoto is recognized for his innovative approach and technical expertise within the industry.

Latest Patents: Among his latest inventions, Yamamoto has developed groundbreaking solutions such as an image display device and a virtual image display apparatus. These devices incorporate multiple self-luminous display elements that emit images in various colors and utilize a prism with a dichroic mirror to synthesize these images effectively. The intricate design details ensure that each display element—comprising distinct functional layers and substrate portions—operates optimally by managing light extraction and thickness variations.

Career Highlights: Yamamoto's career has been marked by his role at Seiko Epson Corporation, where he has played a pivotal part in advancing the company’s technology in imaging solutions. His invention portfolio not only showcases his creativity but also reflects his commitment to enhancing visual display capabilities.

Collaborations: Throughout his career, Yamamoto has collaborated with notable coworkers, including Tetsuji Fujita and Hideto Ishiguro. These partnerships have further enriched his innovative endeavors, leading to the development of advanced imaging technologies that push the boundaries of what is possible in the field.

Conclusion: Hidetoshi Yamamoto stands out as a key figure in the innovation of image display devices. With a strategic focus on improving visual technology and a solid track record of patents, he continues to influence the future of this industry. His commitment to research and development positions him as a leader among inventors in the world of display technology.

Profile summary based on public USPTO records.
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