Aichi, Japan

Yasushi Yamada

This inventor holds 20 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Semiconductor Technology. Top assignees: Panasonic Corporation, Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 1997-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Yamada. Retrieved from https://idiyas.com/inventor/yasushi-yamada-z0cif3rf

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 55.0


Average Co-Inventor Count = 6.3

ph-index = 5

Forward Citations = 97(Granted Patents)


Location History:

  • Nishikamo-gun, JP (1997 - 2012)
  • Miyoshi, JP (2012 - 2013)
  • Aichi, JP (2005 - 2014)
  • Kanagawa, JP (2014 - 2015)

Company Filing History:


Years Active: 1997-2015

Loading Chart...
Loading Chart...
Areas of Expertise:
Semiconductor Device
Encryption Section
Power Module
Cooling Structure
Sulfur Recovery
Program Development
Solder Material
Heat Dissipation
Multichip Module
Content Reproduction
Manufacturing Method
Air/Fuel Ratio Sensor
20 patents (USPTO):Explore Patents

Title: The Ingenious Innovations of Yasushi Yamada

Introduction: Yasushi Yamada, located in Aichi, Japan, is a prolific inventor renowned for his extensive portfolio of 20 patents. His innovative contributions span a range of fields, particularly in semiconductor technology and sulfur recovery methods.

Latest Patents: Among his latest inventions are notable patents that demonstrate his expertise. One significant patent is for a semiconductor device that includes an encryption section and an external interface. This secure LSI device features an encryption section dedicated to encrypting programs, coupled with an external interface designed for data transfer from external memory. A unique aspect of this invention is the prohibition of operations within a private key arithmetic processing section, based on key-generation and update sequences. Another groundbreaking patent concerns a sulfur recovery unit and method, which encompasses a reaction furnace enabling a high-temperature Claus reaction and a sulfur condenser designed to cool and condense sulfur from the collected reaction gas.

Career Highlights: Throughout his distinguished career, Yasushi Yamada has worked with esteemed organizations such as Panasonic Corporation and Toyota Motor Corporation. His experiences at these companies have undoubtedly influenced his innovative approaches and patent developments.

Collaborations: In his journey as an inventor, Yasushi has collaborated with notable peers like Makoto Fujiwara and Yusuke Nemoto. Their teamwork has fostered an environment of creativity and innovation, driving forward the development of new technologies.

Conclusion: Yasushi Yamada stands as a testament to the power of innovation in technology. With a rich array of patents and a career grounded in collaboration, his contributions continue to advance the fields of semiconductor devices and sulfur recovery methods, making a lasting impact on the industry.

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…