Tochigi, Japan

Takashi Hamochi

This inventor holds 64 USPTO granted patents and 12 published patent applications, primarily in Semiconductor Devices (CPC class H01L). Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2014-2025.

USPTO Granted Patents = 64 

% Patents Active = 92.2

Average Co-Inventor Count = 5.1

ph-index = 9

Forward Citations = 309(Granted Patents)

Forward Citations (Not Self Cited) = 222(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shimotsuga, JP (2014 - 2022)
  • Tochigi, JP (2015 - 2024)

Company Filing History:


Years Active: 2014-2025

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Areas of Expertise:
Semiconductor Device
Fabrication Method
Metal Oxide Film
Insulating Film
Display Device
Electronic Device
Nitride Insulating Layer
Manufacturing Method
Oxide Semiconductor Film
Thickness Variation
64 patents (USPTO):Explore Patents

Title: The Innovations of Takashi Hamochi in Semiconductor Technology

Introduction: Takashi Hamochi, an accomplished inventor located in Tochigi, Japan, has made significant strides in the field of semiconductor technology. With a remarkable portfolio of 62 patents, Hamochi is a leading figure in the development of advanced semiconductor devices that contribute to enhanced electrical characteristics and reliability in electronic applications.

Latest Patents: Among his latest innovations are methods for fabricating semiconductor devices that offer favorable and stable electrical characteristics. One of his notable patents describes a method involving multiple steps: forming a semiconductor layer with a metal oxide, creating conductive layers, and performing plasma treatments to ensure optimal properties. Additionally, he has patented a semiconductor device that includes an oxide semiconductor film and multiple insulating films to ensure efficient electrical performance and reliability.

Career Highlights: Hamochi's career has been marked by his role at Semiconductor Energy Laboratory Co., Ltd., where he has spearheaded the development of new semiconductor technologies. His contributions have been pivotal in providing high-quality semiconductor devices that are essential for a variety of modern electronic applications.

Collaborations: Throughout his career, Hamochi has collaborated with several notable colleagues, including Shunpei Yamazaki and Junichi Koezuka. These partnerships have driven innovation and allowed for the exchange of ideas that keep pushing the boundaries of semiconductor technology.

Conclusion: Takashi Hamochi's influence in the semiconductor industry is underscored by his impressive patent portfolio and collaborative efforts. His work not only enhances the performance of semiconductor devices but also paves the way for future innovations in the field, solidifying his status as a key inventor in contemporary technology.

Profile summary based on public USPTO records.
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