Ibaraki, Japan

Tadayuki Kameyama

This inventor holds 55 USPTO granted patents and 19 published patent applications and 6 EPO patents, primarily in Optical Films (CPC class G02B). Top assignees: Nitto-Denko Corporation, Kent State University. Active years: 1998-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadayuki Kameyama. Retrieved from https://idiyas.com/inventor/tadayuki-kameyama

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

USPTO Granted Patents = 55 

% Patents Active = 50.9

 

Average Co-Inventor Count = 3.5

ph-index = 12

Forward Citations = 471(Granted Patents)

Forward Citations (Not Self Cited) = 459(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Osaka, JP (1998 - 2014)
  • Ibaraki, JP (2004 - 2020)

Company Filing History:


Years Active: 1998-2020

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Areas of Expertise:
Optical Films
Polarizing Films
Liquid Crystal
Image Display
Water-Resistant Coatings
Manufacturing Methods
Organic Thin-Films
Optically Anisotropic Film
Light Control Devices
Laminated Polarizing Plates
Coating Liquids
Transparent Substrates
55 patents (USPTO):Explore Patents

Tadayuki Kameyama: An Innovative Mind with 54 Patents

When it comes to innovation and patents, Tadayuki Kameyama, hailing from Ibaraki, Japan, is a name that stands out. With an impressive number of 54 patents to his name, Kameyama has made significant contributions in the field of water-resistant organic thin films, image display mirrors for vehicles, and more.

One of his latest patents revolves around the development of a water-resistant organic thin film. This remarkable invention involves crosslinking an organic thin film, which comprises an organic dye with an anionic group, using organic nitrogen compounds. This technology has paved the way for enhanced water resistance in organic thin films, opening up new possibilities for various applications.

Another notable patent by Kameyama is in the realm of image display mirrors for vehicles. His invention introduces a half mirror and an image display apparatus that mitigates the influence of reflected images, resulting in improved visibility of the image displayed on the apparatus. By incorporating a first polarizing plate with a polarizer, the transmittance of light output from the image display apparatus is maximized, ensuring an optimal viewing experience.

Throughout his career, Kameyama has contributed his expertise to renowned organizations such as Nitto-Denko Corporation and Kent State University. These collaborations have further propelled the development and implementation of his inventive ideas.

Kameyama has also had the privilege of working alongside talented individuals such as Shoichi Matsuda and Hironori Motomura. Their combined efforts have undoubtedly fueled innovation and led to the successful realization of pioneering solutions.

Tadayuki Kameyama's relentless pursuit of innovation and his extensive portfolio of patents reflect his dedication to advancing technology. His groundbreaking inventions in the areas of water-resistant organic thin films and image display mirrors for vehicles exemplify his exceptional ingenuity. As an inventive mind with numerous successful collaborations, Kameyama continues to make significant contributions to the world of inventions and patents.

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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