Matsumoto, Japan

Takeshi Koshihara

This inventor holds 118 USPTO granted patents and 15 published patent applications, primarily in Display Technology (CPC class H01L51-5265). Top assignees: Seiko Epson Corporation, Japan Display Inc., Japan Display West Inc.. Active years: 2009-2025.

USPTO Granted Patents = 118 

% Patents Active = 99.2

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 224(Granted Patents)

Forward Citations (Not Self Cited) = 168(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Matusmoto, JP (2016)
  • Suwa, JP (2009 - 2018)
  • Nagano, JP (2018 - 2019)
  • Matsumoto, JP (2012 - 2024)

Company Filing History:


Years Active: 2009-2025

Loading Chart...
Areas of Expertise:
Display Device
Electro-Optical Device
Light-Emitting Device
Optical Module
Pixel Electrode
Electronic Apparatus
Lens Design
Reflection Layer
Color Filter
Image Display Module
Head-Mounted Display
Transistor Configuration
118 patents (USPTO):Explore Patents

Title: Takeshi Koshihara: A Pioneering Force in Innovation

Introduction: Takeshi Koshihara, a dedicated inventor hailing from Matsumoto, Japan, has firmly established himself as a trailblazer in the realm of inventions. His unwavering commitment to pushing the boundaries of innovation and creating a better future through technology sets him apart as a true pioneer.

Latest Patents: Among his impressive portfolio of 109 patents, some of Takeshi Koshihara's latest innovations include an electro-optical device designed with multiple light-emitting elements and filters to manipulate various wavelength regions. Additionally, a virtual image display apparatus featuring intricate optical components showcases his ingenuity in the field of technology.

Career Highlights: Takeshi Koshihara has made significant contributions to the technology sector through his work with renowned companies such as Seiko Epson Corporation and Japan Display Inc. His innovative spirit and expertise have led to groundbreaking advancements in the industry, inspiring a new generation of inventors.

Collaborations: Throughout his illustrious career, Takeshi Koshihara has collaborated closely with esteemed colleagues such as Ryoichi Nozawa and Hitoshi Ota. Together, they have combined their talents and knowledge to drive innovation forward, resulting in revolutionary inventions that have had a lasting impact on the field.

Conclusion: Takeshi Koshihara's remarkable dedication to innovation and his remarkable track record of patenting groundbreaking technologies solidify his legacy as a visionary inventor. His contributions continue to inspire inventors and researchers worldwide, shaping the future of technological advancements for generations to come.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…