Nagoya, Japan

Jun Sakai

This inventor holds 59 USPTO granted patents and 21 published patent applications and 2 EPO patents, primarily in Printed Wiring Boards (CPC class 355 ). Top assignees: Brother Kogyo Kabushiki-Kaisha, Ibiden Company Limited, Matsushita Electric Works, Ltd.. Active years: 1987-2025.

USPTO Granted Patents = 59 

% Patents Active = 96.6


Average Co-Inventor Count = 2.2

ph-index = 12

Forward Citations = 744(Granted Patents)

Forward Citations (Not Self Cited) = 731(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Atsuta-ku, Nagoya-shi, Aichi-ken, JP (1990)
  • Aichi, JP (1989 - 1991)
  • Osaka, JP (1994)
  • Kadoma, JP (1990 - 1995)
  • Kuwana, JP (2011)
  • Nagoya, JP (1987 - 2019)

Company Filing History:


Years Active: 1987-2025

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Areas of Expertise:
Printed Wiring Board
Wiring Substrate
Ink-Jet Recording
Water-Based Ink
Photosensitive Medium
Image Forming Apparatus
Infrared Detecting Device
Electrostatic Relay
Hot Melt Ink
Polyimide
Recording Medium
3D Printing
59 patents (USPTO):Explore Patents

Title: The Innovative Journey of Jun Sakai

Introduction: Jun Sakai, a pioneering inventor hailing from Nagoya, Japan, has made significant contributions to the field of technology with her groundbreaking innovations.

Latest Patents: Jun Sakai holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Jun Sakai has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout her career, Jun Sakai has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all her projects.

Conclusion: Jun Sakai's relentless pursuit of innovation and her passion for creating a better future through technology make her a true trailblazer in the world of inventions.

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