Kanagawa, Japan

Masato Yokoyama

This inventor holds 25 USPTO granted patents and 4 EPO patents, primarily in Image Formation Technology. Top assignees: Ricoh Company, Ltd., Kabushiki Kaisha Toshiba. Active years: 1994-2010.

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

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


% Patents Active = 56.0


Average Co-Inventor Count = 3.6

ph-index = 11

Forward Citations = 331(Granted Patents)


Location History:

  • Tokyo, JP (1998 - 2008)
  • Yokohama, JP (1994 - 2009)
  • Kanagawa, JP (2003 - 2009)
  • Tokyo-to, JP (1999 - 2010)
  • Kanagawa-ken, JP (2008 - 2010)

Company Filing History:


Years Active: 1994-2010

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Areas of Expertise:
Motor Control
Inkjet Printing
Optical Scanner
Image Quality
Belt Driving
Density Adjustment
Duplex Printing
Electrophotographic
Toner Recycle
Cleaning Device
Optical Writing
Color Displacement
25 patents (USPTO):Explore Patents

Title: **Masato Yokoyama: Innovating in Motor Control and Printing Technology**

Introduction

Masato Yokoyama is a prolific inventor based in Kanagawa, Japan, with an impressive portfolio of 25 patents. Throughout his career, he has made significant contributions to the fields of motor control systems and inkjet printing technologies. His innovations have pushed the boundaries of efficiency and functionality, benefiting various sectors including manufacturing and commercial printing.

Latest Patents

Masato's latest patents showcase his ingenuity and technical expertise. One such patent is a **method, apparatus, and program for driving a motor in a feedback control system**, capable of suppressing motor oscillation. This innovation involves a motor drive controller that manages the driving of a moving body to achieve a specific target speed while detecting the current speed and making real-time adjustments to minimize oscillation.

Another notable invention is the **ink jet recording apparatus capable of performing a duplex print operation**. This apparatus effectively controls an ink jet recording head to print on both surfaces of a recording sheet. It includes a transporting mechanism that facilitates the movement of the sheet after printing the front surface, ensuring a smooth transition to printing the back surface.

Career Highlights

Masato Yokoyama has held pivotal roles in renowned companies such as Ricoh Company, Ltd. and Kabushiki Kaisha Toshiba. His work at these organizations has contributed to advancements in imaging and printing technologies, where his patents have played a crucial role in product development and innovation.

Collaborations

Throughout his career, Masato has collaborated with talented professionals including Kazuhiko Kobayashi and Nobuto Yokokawa. These partnerships have fostered a collaborative environment that spurred creative solutions and propelled innovative projects forward, further enhancing the impact of their combined expertise.

Conclusion

Masato Yokoyama's dedication to innovation and his remarkable collection of patents underscore his influential role in modern technology. His continuous exploration and development of advanced systems not only demonstrate his commitment to pushing the envelope but also position him as a key figure in the evolution of motor control and printing technologies. As he continues to innovate, the industry can anticipate more groundbreaking advancements in the future.

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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