Seoul, South Korea

Akira Katayama

This inventor holds 34 USPTO granted patents and 3 published patent applications, primarily in Semiconductor Memory. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Mitsubishi Heavy Industries Limited. Active years: 2009-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Katayama. Retrieved from https://idiyas.com/inventor/akira-katayama-pk7sge94

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

Calculating rank
USPTO Granted Patents = 34 

% Patents Active = 73.5

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 64(Granted Patents)


Location History:

  • Fuchu, JP (2009)
  • Kagawa-ken, JP (2014)
  • Aichi, JP (2015)
  • Yamato, JP (2014 - 2016)
  • Tokyo, JP (2011 - 2018)
  • Kiyosu, JP (2018)
  • Seoul, KR (2014 - 2019)
  • Kanagawa, JP (2019)
  • Yokohama Kanagawa, JP (2019 - 2022)

Company Filing History:


Years Active: 2009-2022

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Areas of Expertise:
Semiconductor Memory
Nonvolatile Storage
Resistance Change Memory
Magnetic Storage
Automotive Air Conditioning
Heat-Pump System
Memory Device
Semiconductor Storage
Redundancy Memory
Information Processing
Vehicle Heat Pump
Driving Method
34 patents (USPTO):Explore Patents

Title: Akira Katayama: Innovator in Memory Device Technologies

Introduction

Akira Katayama, based in Seoul, South Korea, is an accomplished inventor with an impressive portfolio that includes 34 patents. His work focuses primarily on memory device technologies, contributing significantly to advancements in this field.

Latest Patents

Among his latest patents, Katayama has developed a memory device that executes a read operation based on a self-reference scheme. This innovative device incorporates a sense amplifier that senses a first signal based on first data in a cell and a second signal based on second data in the same cell. It utilizes a current mirror to manage current flows across various nodes. Additionally, he has created a semiconductor storage device with a unique configuration of memory cells, which allows for intricate operations involving switching elements and variable resistance elements. This semiconductor device is designed to perform multiple read operations while transitioning between different states, ensuring accurate data retention and retrieval.

Career Highlights

Katayama has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation. His experience in these organizations has allowed him to refine his skills and innovate within the semiconductor sector, making him a respected figure in the industry.

Collaborations

Throughout his career, Katayama has collaborated with several talented individuals, including colleagues Masahiro Takahashi and Masatoshi Morishita. These partnerships have fostered a creative environment conducive to breakthrough innovations that enhance memory technology.

Conclusion

Akira Katayama's contributions to memory device technology exemplify the spirit of innovation. With his extensive patent portfolio and collaborations, he continues to make significant strides in enhancing how data is stored and retrieved. His work is a testament to the ongoing evolution of semiconductor technologies that shape our digital world.

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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