Hakodate, Japan

Hajime Hasebe

This inventor holds 20 USPTO granted patents, primarily in Semiconductor Devices. Top assignees: Renesas Electronics Corporation, Renesas Technology Corp., Hitachi Hokkai Semiconductor Ltd.. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Hasebe. Retrieved from https://idiyas.com/inventor/hajime-hasebe

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 200(Granted Patents)


Location History:

  • Hokkaido, JP (2008 - 2012)
  • Nanae, JP (2013)
  • Hakodate, JP (1991 - 2019)

Company Filing History:


Years Active: 1991-2019

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Areas of Expertise:
Semiconductor Device
Manufacturing Method
Chip Mounting
Suspending Leads
Lead Portion Arrangement
Inverted Trapezoid
Grooves in Lead Frame
Peel Off Prevention
20 patents (USPTO):Explore Patents

Title: **Hajime Hasebe: A Pioneer in Semiconductor Technology**

Introduction

Hajime Hasebe, an accomplished inventor based in Hakodate, Japan, has made significant contributions to the field of semiconductor technology. With a portfolio of 20 patents, Hasebe's innovations reflect his dedication to advancing electronic devices. His work focuses primarily on non-leaded semiconductor devices, showcasing his expertise in this critical area of technology.

Latest Patents

Hasebe's most recent patents describe a novel semiconductor device that incorporates a unique design for a tab and tab suspension leads. In this non-leaded type semiconductor device, the tab and other leads are exposed to one surface of a seal member. A semiconductor element is carefully positioned within this seal member and securely fixed to the tab with an adhesive. Noteworthy innovation includes the tab being larger than the semiconductor element, allowing the outer peripheral edges of the tab to extend beyond those of the semiconductor element. This design features a groove surrounding the semiconductor's fixing area, which prevents peeling-off between the tab and the resin that constitutes the package, ensuring greater durability and stability in the device's performance.

Career Highlights

Hasebe has had a successful career, including stints at major companies such as Renesas Electronics Corporation and Renesas Technology Corporation. His work in these organizations has significantly influenced the development of semiconductor devices, establishing him as a leading figure in the industry.

Collaborations

Throughout his career, Hasebe has collaborated with notable colleagues, including Tadatoshi Danno and Yukihiro Satou. Their joint efforts have furthered the advancement of semiconductor technologies, reflecting the importance of teamwork in driving innovation.

Conclusion

Hajime Hasebe's contributions to semiconductor technology and his extensive patent portfolio demonstrate his innovative spirit and commitment to improving electronic devices. His work not only paves the way for future advancements but also positions him as a respected figure in the field of inventions and patents.

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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