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For the Inventor, By the Inventor

Hiratsuka, Japan

Masataka Yamashita

This inventor holds 58 USPTO granted patents, primarily in Liquid Crystal Technology (CPC class 2522). Top assignees: Canon Kabushiki Kaisha, Asahi Kasei Emd Corporation, Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1986-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Yamashita. Retrieved from https://idiyas.com/inventor/masataka-yamashita

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

USPTO Granted Patents = 58

% Patents Active = 93.1

Average Co-Inventor Count = 5.3

ph-index = 12

Forward Citations = 567(Granted Patents)

Forward Citations (Not Self Cited) = 485(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kiyose, JP (1986 - 1987)
  • Hiratsuka, JP (1992 - 1997)
  • Chigasaki, JP (1996 - 2004)
  • Kanagawa, JP (1992 - 2007)
  • Kawasaki, JP (1987 - 2008)

Company Filing History:

goldMedal56 out of 93,085 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 48 
 
Asahi Kasei Emd Corporation
 patents
bronzeMedal1 out of 1,297 
 
Asahi Kasei Kogyo Kabushiki Kaisha
 patents

Years Active: 1986-2008

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Areas of Expertise:
Liquid Crystal Device
Electron-Emitting Device
Ferroelectric Liquid Crystal
Display Apparatus
Luminance Measurement
Image Forming Apparatus
Secondary Battery
Ferroelectric Chiral Smectic
Liquid Crystal Composition
Manufacturing Method
Tilt Angle Inclination
Fluoroalkane Derivative
58 patents (USPTO):Explore Patents
1. 7388574 - Pointing device (2008-06-17),
2. 7304640 - Method of measuring luminance of image display apparatus, method of manufacturing the same, method and apparatus for adjusting characteristics of the same (2007-12-04),
3. 7189427 - Manufacturing method of an image forming apparatus (2007-03-13),
4. 6752676 - Methods for producing electron-emitting device, electron source, and image-forming apparatus (2004-06-22),
5. 6726520 - Apparatus for producing electron source (2004-04-27),
6. 5785890 - Liquid crystal composition, liquid crystal device, and liquid crystal (1998-07-28),
7. 5744059 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-04-28),
8. 5733475 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-03-31),
9. 5728318 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-03-17),
10. 5710433 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-01-20),
11. 5709819 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-01-20),
12. 5709818 - Liquid crystal composition, liquid crystal device and liquid crystal (1998-01-20),
13. 5631100 - Secondary battery (1997-05-20),
14. 5629788 - Liquid crystal device providing tilt angle inclination angle and ps (1997-05-13),
15. 5599479 - Ferroelectric chiral smectic liquid crystal composition and liquid (1997-02-04),

Title: The Innovative Journey of Masataka Yamashita

Introduction: Masataka Yamashita, a visionary inventor hailing from Hiratsuka, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Masataka Yamashita holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to innovation.

Career Highlights: With a career spanning over two decades, Masataka Yamashita has worked with leading research institutions and tech companies, playing a pivotal role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Masataka Yamashita has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing that has led to remarkable advancements in technology.

Conclusion: Masataka Yamashita's passion for innovation, coupled with his relentless pursuit of excellence, has established him as a prominent figure in the world of inventors. His dedication to pushing the boundaries of what is possible continues to inspire future generations of inventors and innovators.

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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