Yokohama, Japan

Kaoru Hama

This inventor holds 8 USPTO granted patents and 2 published patent applications. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation. Active years: 1994-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Hama. Retrieved from https://idiyas.com/inventor/kaoru-hama

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

USPTO Granted Patents = 8 

% Patents Active = 75.0

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 111(Granted Patents)


Location History:

  • Yokohama, JP (1994 - 1999)
  • Kanagawa-ken, JP (2011)
  • Kanagawa, JP (2013)
  • Yokohama Kanagawa, JP (2019)

Company Filing History:


Years Active: 1994-2019

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8 patents (USPTO):Explore Patents

Title: Kaoru Hama: Innovator in Semiconductor Technology

Introduction

Kaoru Hama is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work has been instrumental in advancing the capabilities of semiconductor memory devices.

Latest Patents

Hama's latest patents include a semiconductor memory device that features a write circuit designed to invert write data and output the inverted write data. This innovative design includes a first switch that controls the current for programming a memory cell in a selected bit line, and a second switch that does the same for another memory cell. Additionally, he has developed a semiconductor memory and test method that utilizes a read circuit to read data from both read data storing memory cells and test data storing memory cells, enhancing the efficiency of data retrieval.

Career Highlights

Throughout his career, Kaoru Hama has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.

Collaborations

Hama has collaborated with talented individuals in the field, including Ichiro Yoshii and Mariko Takagi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Kaoru Hama's contributions to semiconductor technology and his impressive portfolio of patents highlight his role as a key innovator in the industry. His work continues to influence advancements in memory devices, showcasing the importance of innovation in technology.

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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