Hadano, Japan

Megumu Hasegawa

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2009-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Megumu Hasegawa. Retrieved from https://idiyas.com/inventor/megumu-hasegawa

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.7

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Hadano, JP (2009 - 2013)
  • Hadano, PA (US) (2014)
  • Tokyo, JP (2018)

Company Filing History:


Years Active: 2009-2018

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4 patents (USPTO):Explore Patents

Title: **Innovator Spotlight: Megumu Hasegawa**

Introduction

Megumu Hasegawa is a prominent inventor based in Hadano, Japan, known for his impactful contributions to technology through a series of innovative patents. With a total of four patents to his name, Hasegawa's work primarily focuses on improving data processing and input/output systems, making significant strides in the tech industry.

Latest Patents

Among his most recent innovations, Hasegawa has developed an **Input/Output apparatus and method**. This invention features an indication unit that marks the transfer status of multiple data blocks between a main memory and a buffer memory, while the execution unit manages the actual transfer of these blocks based on the indications received. This streamlined process enhances efficiency by ensuring completion information is communicated effectively upon concluding transfers.

Another noteworthy patent is his design for a **Data processing system with a host bus adapter (HBA)** that operates on a PCIe bus. This system is engineered to manage the queuing and de-queuing of data to minimize bottlenecks. The HBA driver plays a crucial role by controlling access times via the PCIe bus, ultimately enhancing data flow and processing efficiency.

Career Highlights

Megumu Hasegawa is a valued member of **Hitachi, Ltd.**, where he applies his expertise in innovative technology and development. His career has been marked by a strong commitment to improving computing systems, reflecting a deep understanding of both hardware and software functionalities.

Collaborations

Throughout his career, Hasegawa has worked alongside distinguished colleagues, including Yoshihiro Toyohara and Tetsuhiro Goto, who have contributed to the evolution of technology in their respective fields. These collaborations emphasize Teamwork in driving innovations that advance technological capabilities.

Conclusion

With a solid portfolio of patents, Megumu Hasegawa continues to make significant contributions to the realm of data processing and input/output systems. His dedication to innovation at Hitachi, Ltd. showcases the vital role of inventors in shaping the future of technology and improving the efficiency of systems that many rely on today.

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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