Osaka, Japan

Masaaki Hirata

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Hirata. Retrieved from https://idiyas.com/inventor/masaaki-hirata

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Osaka, JP (2003 - 2007)
  • Ideda, JP (2011)

Company Filing History:


Years Active: 2003-2011

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3 patents (USPTO):Explore Patents

Title: Masaaki Hirata: Innovator in Semiconductor Technology

Introduction

Masaaki Hirata is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on improving the efficiency and performance of semiconductor integrated circuits.

Latest Patents

Hirata's latest patents include a delay calculating method in semiconductor integrated circuits. This method involves obtaining an input pin capacitance of a cell in advance through a function expression. The delay is calculated based on the input slew and drive load capacitance in each instance. Additionally, in a cell characterizing process, the total volume of current running into an input terminal before reaching a reference voltage is obtained, allowing for a value that approximates the real input pin capacitance. Another notable patent is the operation analyzing method for semiconductor integrated circuit devices, which includes forming voltage waveform information by calculating the voltage waveform at a power-supply terminal based on circuit information. This method also involves analyzing the voltage waveform and calculating a delay value based on the voltage abstraction information.

Career Highlights

Masaaki Hirata has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Hirata has collaborated with esteemed colleagues, including Nobufusa Iwanishi and Kenji Shimazaki. These partnerships have further enhanced his work and contributions to the field.

Conclusion

Masaaki Hirata is a distinguished inventor whose work in semiconductor technology has led to valuable patents and advancements in the industry. His innovative methods continue to influence the development of integrated circuits, showcasing his significant impact on 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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