Kawasaki, Japan

Keizo Morita

This inventor holds 18 USPTO granted patents and 1 EPO patent, primarily in Semiconductor Memory. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited, Fujitsu Microelectronics Limited. Active years: 2000-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Morita. Retrieved from https://idiyas.com/inventor/keizo-morita

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

Calculating rank

% Patents Active = 88.9


Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 155(Granted Patents)


Location History:

  • Kanagawa, JP (2001)
  • Kawasaki, JP (2000 - 2011)
  • Yokohama, JP (2013)
  • Sagamihara, JP (2015 - 2021)

Company Filing History:


Years Active: 2000-2021

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Areas of Expertise:
Semiconductor Storage Device
Ferroelectric Memory
Timing Circuit
Voltage Detection Circuit
Sense Amplifier Signal
Bitline GND Sensing
Display Device
LCD Manufacturing
Active-Matrix LCD
Static Electricity Prevention
Memory Device
18 patents (USPTO):Explore Patents

Title: Keizo Morita: Innovator in Semiconductor Technology

Introduction

Keizo Morita is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 18 patents. His work has been instrumental in advancing the efficiency and functionality of semiconductor storage devices.

Latest Patents

Morita's latest patents include innovative designs for semiconductor storage devices and their associated read methods. One of his notable inventions involves a first pre-sense amplifier connected to reference cells that hold data of logical value '1' via a first bit line. This amplifier outputs a signal obtained by delaying a first amplified signal, which is derived from amplifying the voltage of the first bit line during memory cell reads. Additionally, a second pre-sense amplifier connected to memory cells via a second bit line generates a second amplified signal by amplifying the voltage of the second bit line when a memory cell is read. This second amplifier receives a signal, and when the voltage of the signal reaches a certain threshold, it drops the voltage of the second bit line to ground potential.

Career Highlights

Throughout his career, Morita has worked with notable companies such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His experience in these organizations has allowed him to develop and refine his expertise in semiconductor technologies.

Collaborations

Some of Morita's coworkers include Shoichiro Kawashima and Hiroshi Murakami. Their collaborative efforts have contributed to the advancements in the semiconductor field.

Conclusion

Keizo Morita's innovative work in semiconductor technology has led to numerous patents that enhance the functionality of storage devices. His contributions continue to influence the industry and pave the way for future advancements.

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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