Tokyo, Japan

Kohei Nakata



Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 122(Granted Patents)


Location History:

  • Yokohama, JP (1990 - 1991)
  • Machida, JP (1996 - 2005)
  • Tokyo, JP (2003 - 2009)
  • Utsunomiya, JP (2012)

Company Filing History:


Years Active: 1990-2012

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23 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kohei Nakata: A Pioneer in Optical Technology

Introduction: Kohei Nakata is an accomplished inventor based in Tokyo, Japan, known for his significant contributions to the field of optical materials and elements. With a remarkable portfolio of 23 patents, Nakata continues to push the boundaries of innovation, especially in the realm of ceramics and optical technology.

Latest Patents: Among his latest contributions, Nakata has developed advanced optical elements comprised of vacuum-sintered bodies that feature a unique two-layer structure. His patents describe an optical element that consists of a plurality of particles, each made up of a ceramic particle and a specialized coating layer. The ceramic particles are composed of LnAlO, where Ln indicates a rare-earth element, optimized to have an average particle diameter between 1 µm and 10 µm. Additionally, the coating layer uses a ceramic material with a lower sintering temperature than that of the ceramic particles. These innovations aim to achieve optical properties of a high refractive index ranging from 1.85 to 2.06, along with a favorable Abbe number between 48 and 65, ensuring superior performance in various applications.

Career Highlights: Kohei Nakata has built a commendable career at Canon Kabushiki Kaisha, a leading technology company renowned for its contributions to imaging and optical products. His work focuses on enhancing the optical performance of materials, making significant strides in research and development within the field.

Collaborations: Throughout his career, Nakata has collaborated with esteemed colleagues such as Tetsuya Kaneko and Toshihiko Miyazaki. Their collective expertise has further advanced the innovative projects in which they have been involved, pushing the frontiers of optical technology.

Conclusion: Kohei Nakata exemplifies the spirit of innovation and dedication in the field of optical technology. His extensive patent portfolio not only showcases his ingenuity but also contributes to the advancement of materials science. As he continues to develop groundbreaking optical elements, Nakata is set to leave a lasting impact on the future of optical technologies.

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