Osaka, Japan

Yoshiyuki Shimizu

USPTO Granted Patents = 72 


Average Co-Inventor Count = 5.3

ph-index = 11

Forward Citations = 361(Granted Patents)

Forward Citations (Not Self Cited) = 262(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Neyagawa, JP (1994 - 1997)
  • Hirakata, JP (2008)
  • Ohsaka, JP (2008 - 2009)
  • Oosaka, JP (2008 - 2009)
  • Ikeda, JP (2010)
  • Nishinomiya, JP (2011)
  • Hyogo, JP (2011 - 2015)
  • Ohta-ku, JP (2014 - 2015)
  • Kanagawa, JP (2014 - 2016)
  • Osaka, JP (1990 - 2022)

Company Filing History:


Years Active: 1990-2022

Loading Chart...
Loading Chart...
72 patents (USPTO):

Title: The Innovative Journey of Yoshiyuki Shimizu

Introduction: Yoshiyuki Shimizu is a distinguished inventor hailing from Osaka, Japan, with an impressive portfolio of 72 patents. His contributions to the field of technology, particularly in the development of toner cartridges, signify his innovative spirit and dedication to enhancing product functionality.

Latest Patents: Among his most recent inventions is the innovative toner cartridge which features a protrusion protruding from the center of a conveyance drive gear. This design incorporates a convex portion and a conveyance drive gear, where the protrusion is specifically crafted to be inserted into a hole located at the rear side of the convex portion. This intricate design aims to improve the efficiency and effectiveness of toner cartridges, showcasing Shimizu's ingenuity in tackling engineering challenges.

Career Highlights: Throughout his career, Yoshiyuki Shimizu has made significant strides within renowned companies including Ricoh Company, Ltd. and Matsushita Electric Industrial Co., Ltd. His work at these institutions has not only advanced his personal growth but has also contributed to the broader scope of the tech industry, propelling innovations in printing technology.

Collaborations: Shimizu has collaborated with notable colleagues such as Tomohiro Kubota and Hirobumi Ooyoshi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and accelerates the development of groundbreaking technologies.

Conclusion: In conclusion, Yoshiyuki Shimizu's extensive patent portfolio and his impactful career mark him as a key figure in the landscape of technological innovations. His latest patented designs continue to push the envelope in the industry, and his collaborative efforts exemplify the importance of teamwork in innovation. As the world of technology evolves, inventors like Shimizu remain at the forefront, driving progress and inspiring future generations.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…