Osaka, Japan

Sadayoshi Hotta

This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Thin-Film Transistors. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Cambridge Display Technology Limited. Active years: 1983-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadayoshi Hotta. Retrieved from https://idiyas.com/inventor/sadayoshi-hotta

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


% Patents Active = 54.2


Average Co-Inventor Count = 3.3

ph-index = 10

Forward Citations = 357(Granted Patents)


Location History:

  • Hirakata, JP (1986 - 2004)
  • Kadoma, JP (2011)
  • Osaka, JP (1983 - 2016)

Company Filing History:


Years Active: 1983-2016

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Areas of Expertise:
Thin-Film Transistor
Organic Thin Film Transistors
Liquid Crystal Display
Display Apparatus
Manufacturing Method
Crystalline Semiconductor
Electronic Device
Active Matrix
Transflective Display
Organic Light-Emissive Device
Pixels Repair Method
Projection Display
24 patents (USPTO):Explore Patents

Title: **Sadayoshi Hotta: Innovator in Thin-Film Transistor Technology**

Introduction

Sadayoshi Hotta, a distinguished inventor based in Osaka, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 24 patents to his name, Hotta has been instrumental in advancing the development of thin-film transistors and associated electronic apparatuses. His work has had a profound impact on the electronics industry, particularly in enhancing the performance and efficiency of electronic devices.

Latest Patents

Among Hotta's latest patents are innovations centered around thin-film transistors. One notable patent describes a thin-film transistor that comprises a substrate, a gate electrode, an insulating layer, and a semiconductor layer. This semiconductor layer contains a channel region, a source region, and a drain region. The source and drain electrodes consist of nickel combined with another metal, facilitating the formation of polycrystalline and microcrystalline silicon through the thermal diffusion of nickel. Another significant patent details a display panel featuring an inter-layer insulation layer with both planar and protruding regions. This design enhances the intersection of various components, including electrodes and power supply signal wirings, leading to improved performance in electronic displays.

Career Highlights

Sadayoshi Hotta's innovative journey includes tenure at prominent companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work at these organizations has enabled him to harness cutting-edge technologies and contribute to the advancement of electronic components. Hotta’s expertise in thin-film transistors has positioned him as a leading figure in this technological sphere.

Collaborations

Throughout his career, Hotta has collaborated with notable professionals in the field, including Gregory Lewis Whiting and Yoneharu Takubo. These collaborations have fostered innovative ideas and furthered advancements in semiconductor technology, underscoring the importance of teamwork in driving successful inventions.

Conclusion

Sadayoshi Hotta continues to be a pivotal figure in the world of innovations related to thin-film transistors. His extensive patent portfolio reflects his dedication to advancing technology and improving electronic devices. As he continues his work, the impact of his inventions will likely resonate within the electronics industry for years to come.

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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