Nagoya, Japan

Takashi Shimizu

This inventor holds 150 USPTO granted patents and 15 published patent applications, plus 5 CIPO patents and 16 EPO patents, primarily in Image Forming Technology (CPC class G03G15-0865). Top assignees: Brother Kogyo Kabushiki-Kaisha, Fujitsu Corporation, Denso Corporation. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Shimizu. Retrieved from https://idiyas.com/inventor/takashi-shimizu

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

USPTO Granted Patents = 150 

% Patents Active = 82.7


 

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 440(Granted Patents)

Forward Citations (Not Self Cited) = 379(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kariya, JP (1998)
  • Anjo, JP (2010)
  • Kakamigahara, JP (2007 - 2011)
  • Gamagori, JP (2010 - 2013)
  • Nakagawa-ku, JP (2014)
  • Aichi, JP (2017 - 2018)
  • kawasaki, JP (2020)
  • Kashiwa, JP (1997 - 2021)
  • Kasugai, JP (2001 - 2021)
  • Chiba-Prefecture, JP (2022 - 2023)
  • Kawasaki, JP (2006 - 2024)
  • Nagoya, JP (2011 - 2024)

Company Filing History:


Years Active: 1997-2026

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Areas of Expertise:
Image Forming Apparatus
Toner Cartridge
Developing Device
Semiconductor Memory
Drum Cartridge
Photosensitive Drum
Communication Control
Electronic Key Terminal
Substrate Processing
Nonvolatile Memory
Control Method
Gear Engagement
150 patents (USPTO):Explore Patents

Title: Takashi Shimizu: Innovating the World of Image Formation

Introduction:

Meet Takashi Shimizu, a prolific inventor based in Nagoya, Japan. With an impressive portfolio boasting 100 patents, Shimizu has made significant contributions to the field of image forming apparatus and control methods. His groundbreaking inventions have revolutionized the way we produce and manipulate images. Let's delve further into his latest patents, career highlights, collaborations, and his overall impact on the industry.

Latest Patents:

Among his recent patents, one noteworthy innovation is the "Image Forming Apparatus and Control Method Thereof." This patent showcases Shimizu's expertise in designing an image forming apparatus that offers enhanced functionality. By utilizing a developer cartridge and a supplier to control the supply of developer, this invention enables efficient and flexible printing processes. The device can seamlessly switch between using the developer cartridge and the remaining developer in the developing unit based on predetermined criteria.

Another remarkable patent is the "Developing Cartridge Providing Layout of Electrodes and Detection Gear." This invention demonstrates Shimizu's ingenuity in developing a developing cartridge with well-designed electrode layout. The patent showcases how the positioning of electrical contacts for both the developing electrode and supply electrode is optimized to ensure smooth operation and prevent any potential interference with the developing roller shaft and agitator gear.

Career Highlights:

Takashi Shimizu's professional journey has led him to work with esteemed companies such as Brother Industries, Ltd., formerly known as Brother Kogyo Kabushiki-kaisha, and Toshiba Memory Corporation. His contributions during his tenure at these companies have been instrumental in driving innovation in the field of image forming technologies.

Collaborations:

Collaboration plays a crucial role in the realm of inventions, and Takashi Shimizu is no stranger to successful partnerships. Throughout his career, he has had the privilege of working with talented individuals such as Keita Shimizu and Koji Abe. These collaborations have led to shared ideas, expertise, and ultimately resulted in groundbreaking inventions that shape the industry.

Conclusion:

Takashi Shimizu's undeniable talent and expertise have established him as a remarkable inventor in the domain of image forming apparatus and control methods. With a rich collection of 100 patents, his contributions have significantly advanced the field. His latest patents, including the innovative image forming apparatus and the improved developing cartridge, highlight his commitment to enhancing functionality and workflow efficiency. Shimizu's collaborations with accomplished peers further illustrate his dedication to pushing the boundaries of innovation. As we continue to witness the impact of his inventions, we can be certain that Shimizu's work will continue to shape the future of image formation technology.

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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