Kanagawa, Japan

Masafumi Yamada

This inventor holds 23 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Mitsubishi Electric Corporation. Active years: 2009-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Yamada. Retrieved from https://idiyas.com/inventor/masafumi-yamada

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

USPTO Granted Patents = 23 

% Patents Active = 56.5

 

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 38(Granted Patents)


Location History:

  • Kawasaki, JP (2011 - 2013)
  • Kanagawa, JP (2009 - 2022)
  • Tokyo, JP (2013 - 2024)

Company Filing History:


Years Active: 2009-2024

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Areas of Expertise:
Terminal Device
Data Management
Heating Device
Liquid Discharge
Image Forming
Inkjet Apparatus
Drying Device
Fixing Device
Electronics Device
Recording Medium
Treatment-Liquid Application
Control Method
23 patents (USPTO):Explore Patents

Title: **A Spotlight on Innovator Masafumi Yamada**

Introduction

Masafumi Yamada is a prolific inventor based in Kanagawa, Japan, holding an impressive portfolio of 23 patents. His contributions to the field of technology are notable, especially in the areas of terminal devices and heating methods.

Latest Patents

Among Yamada's latest innovations are two significant patents. The first is a **Terminal Device and Data Management Method**, which encompasses a sophisticated terminal device featuring multiple processing units. Each unit is equipped with a database, a state managing unit for data oversight, and a request managing unit that orchestrates data requests from external systems based on various conditions, enhancing the efficiency of data retrieval and management.

The second patent is a **Medium Heating Device** designed to optimize heating processes. This device utilizes intermittent heating during the conveyance of a medium, employing contact and non-contact heating methods to ensure the optimal temperature control of the material. Specifically, a first contact heater is positioned to contact the back surface of the medium, while a second contact heater works in tandem with a non-contact heater to efficiently manage heat distribution.

Career Highlights

Yamada's career includes significant tenures at leading corporations, notably at Ricoh Company, Ltd., and Mitsubishi Electric Corporation. His work in these organizations has greatly influenced various technological advancements and product developments in the industry.

Collaborations

Throughout his career, Masafumi Yamada has collaborated with remarkable professionals including Takuma Nakamura and Tetsurou Sasamoto. Their collective expertise in engineering and technological disciplines has fostered innovative solutions in their respective fields.

Conclusion

Masafumi Yamada's contributions through his numerous patents showcase his inventive spirit and commitment to advancing technology. His work continues to inspire future generations of inventors and innovators, reflecting the impact of collaboration and creativity in driving progress across industries.

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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