Hachioji, Japan

Takeshi Yokoyama

This inventor holds 18 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Inkjet Technology. Top assignees: Konica Minolta Medical and Graphic, Inc., Konica-Minolta Holdings, Inc., Tdk Corporation. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Yokoyama. Retrieved from https://idiyas.com/inventor/takeshi-yokoyama

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

USPTO Granted Patents = 18 

% Patents Active = 66.7

 

Average Co-Inventor Count = 1.5

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Machida, JP (2006 - 2007)
  • Hachioji, JP (2006 - 2011)
  • Tokyo, JP (2006 - 2016)

Company Filing History:


Years Active: 2006-2025

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Areas of Expertise:
Imaging Lens Unit
Ink Jet Printer
Ink Jet Recording Apparatus
Radar System
Pulse Wave Radar Device
Irradiation Control
Temperature Detector
Ultraviolet Curable Ink
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takeshi Yokoyama

Introduction

Takeshi Yokoyama is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of imaging technology, holding a total of 18 patents. His work focuses on enhancing optical performance and developing advanced electronic apparatuses.

Latest Patents

One of Yokoyama's latest patents is an imaging lens unit designed to suppress a reduction in optical performance, even when plastic lenses absorb water. This innovative lens unit includes a lens barrel made of resin and features first to seventh plastic lenses housed within it. Notably, at least two adjacent plastic lenses possess different water absorption rates and conical fitting slopes centered on the optical axis. This design ensures that the fitting slope of a high-water-absorption plastic lens is positioned outside the fitting slope of a low-water-absorption plastic lens, thereby maintaining optical integrity.

Another significant patent involves a shield case and electronic apparatus. This shield case is equipped with a first anchor part for anchoring to a substrate and features a slit extending from a release edge to a top plate. The design of this shield case enhances the functionality and reliability of electronic devices.

Career Highlights

Yokoyama has worked with notable companies such as Konica Minolta Medical and Graphic, Inc. and Konica Minolta Holdings, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in imaging technology.

Collaborations

Throughout his career, Yokoyama has collaborated with talented individuals, including Hiroshi Ikeda and Koji Matsushima. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Takeshi Yokoyama's contributions to the field of imaging technology are noteworthy, with a focus on enhancing optical performance and developing innovative electronic apparatuses. His extensive patent portfolio reflects his dedication to advancing technology and improving user experiences.

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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