Sunnyvale, CA, United States of America

Masato M Toshima

This inventor holds 34 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Plasma Processing. Top assignees: Applied Materials, Inc., Orbotech Lt Solar, LLC., Gamma Precision Technology, Inc.. Active years: 1988-2019.

USPTO Granted Patents = 34 

% Patents Active = 94.1


Average Co-Inventor Count = 2.8

ph-index = 19

Forward Citations = 2,624(Granted Patents)


Location History:

  • Campbell, CA (US) (1988)
  • San Jose, CA (US) (1990 - 1999)
  • Saratoga, CA (US) (2010)
  • Sunnyvale, CA (US) (1993 - 2019)

Company Filing History:


Years Active: 1988-2019

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Areas of Expertise:
Organic Light Emitting Diode
Plasma Reactor
Wafer Transfer System
Integrated Circuit Fabrication
Dual Cassette Load Lock
Processing Apparatus
Auto-Sequencing
Inductive RF Coupling
Plasma Etch Processes
Magnetic Confinement
High Frequency Power Supply
Fluid Concentration Detection
34 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masato M Toshima

Introduction: Masato M Toshima is a prominent inventor based in Sunnyvale, CA, who holds an impressive portfolio of 34 patents. His innovations primarily focus on advancements in the field of organic light-emitting diodes (OLEDs) and plasma processing technologies. With a career marked by significant contributions to the industry, Toshima stands out as an influential figure in the realm of modern technology.

Latest Patents: Among his latest inventions, Toshima has developed a method and apparatus for encapsulation of an organic light-emitting diode. The design includes a substrate with multiple OLEDs, each featuring a conductor layer. A sophisticated coating is formed over the OLEDs, comprising a first inorganic layer, a buffer layer, and a second inorganic layer, along with an organic layer sandwiched between inorganic interface layers, enhancing the overall performance and durability of the OLED structures.

Another notable patent is the auto-sequencing multi-directional inline processing method, which revolutionizes plasma processing systems. This method allows for the concurrent processing of several substrates by autonomously sequencing operations and enabling movement in various directions as necessary. The innovative approach includes simultaneous tray movement into the processing chamber, ensuring efficiency while minimizing atmospheric exposure during substrate exchanges.

Career Highlights: Throughout his career, Toshima has made substantial impacts in several prestigious companies, most notably Applied Materials, Inc. and Orbotech Ltd. Solar, LLC. His work has consistently focused on cutting-edge technologies that push the boundaries in semiconductor and display manufacturing.

Collaborations: Collaborating with talented individuals in the field, Toshima has worked alongside notable colleagues such as Jerry Yuen Wong and David Walter Groechel. These partnerships have played a critical role in the development and successful implementation of many of his projects.

Conclusion: Masato M Toshima's contributions to the fields of OLED technology and plasma processing illustrate the spirit of innovation that drives the industry forward. With a robust patent portfolio and a career history rich with significant collaborations, Toshima continues to shape the future of technology with his inventive prowess.

Profile summary based on public USPTO records.
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