Mishima, Japan

Yohei Doi

This inventor holds 33 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Image Forming Technology. Top assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yohei Doi. Retrieved from https://idiyas.com/inventor/yohei-doi

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

USPTO Granted Patents = 33 

% Patents Active = 75.8


Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2009)
  • Mishima, JP (2010 - 2012)
  • Shizuoka, JP (2013 - 2021)
  • Mishima Shizuoka, JP (2017 - 2024)

Company Filing History:


Years Active: 2009-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Image Forming Apparatus
Heating Method
Fixing Unit
Temperature Control
Induction Heating
Heat Conductor
Power Control
Recording Medium
Drive Detection
Electric Power Control
Groove Surface
Fixing Device
33 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Yohei Doi

Introduction

Yohei Doi, located in Mishima, Shizuoka, Japan, is a remarkable inventor with an impressive portfolio of 30 patents. His work primarily focuses on advancements in image forming technologies, making significant contributions to the field of imaging devices.

Latest Patents

Doi's latest patents highlight his innovative designs in image forming apparatuses. One notable invention is an image forming apparatus that features a fixing device equipped with both a first and a second heating source, where the second heating source offers a greater heating width than the first. This technology is designed to enhance printing efficiency by selecting the appropriate heating source based on the size of the sheet being printed.

Another significant patent is for an image processing apparatus which includes a fixing unit and a heater designed to heat the belt. The heater, which consists of a substrate and a heating layer, is controlled to shut off automatically if no current flows through the heating belt. These inventions reflect Doi's commitment to improving image processing technology.

Career Highlights

Throughout his career, Yohei Doi has worked with prestigious companies including Toshiba Tec Corporation and Toshiba Corporation. His tenure with these leading organizations has allowed him to refine his skills and contribute to various innovative projects focused on imaging technologies.

Collaborations

Doi has collaborated with esteemed colleagues such as Kazuhiko Kikuchi and Eiji Shinohara. These professional relationships have fostered a creative environment, enabling the development of innovative solutions in the imaging field.

Conclusion

With a substantial number of patents and valuable contributions to the imaging technology sector, Yohei Doi stands out as an influential inventor. His work continues to shape the future of image forming devices, solidifying his legacy in the world of innovations and inventions.

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]
Loading…