Ibaraki, Japan

Norihiro Ashizuka

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Cable, Inc., Hitachi, Ltd.. Active years: 1989-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihiro Ashizuka. Retrieved from https://idiyas.com/inventor/norihiro-ashizuka

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


% Patents Active = 75.0

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1989-2004

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4 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Norihiro Ashizuka**

Introduction

Norihiro Ashizuka, an esteemed inventor based in Ibaraki, Japan, has made significant strides in the field of semiconductor technology. With a remarkable portfolio boasting four patents, his inventions have been integral to advancements in electronic devices.

Latest Patents

Ashizuka's most recent patents showcase his expertise in the semiconductor domain. These include a BGA (Ball Grid Array) type semiconductor device, a tape carrier for semiconductor devices, and a semiconductor device utilizing the aforementioned tape carrier. The BGA type semiconductor device is designed with a unique insulating film made of photosolder resist (PSR) that enhances the construction by preventing mold resin flow into the via hole for a solder ball during sealing. Furthermore, he has developed a fiber optic rotation sensor that integrates a temperature sensor and a logic circuit, effectively adapting to varying ambient temperatures. This innovative sensor selects appropriate correlation maps to provide precise angular velocity readings, enhancing the functionality and accuracy of optical systems.

Career Highlights

Throughout his career, Ashizuka has contributed his talents to prominent organizations, including Hitachi Cable, Inc. and Hitachi, Ltd. His work in these companies has allowed him to push the boundaries of semiconductor technology and develop solutions that meet the evolving needs of the industry.

Collaborations

Ashizuka has had the pleasure of working alongside notable colleagues, including Hisao Iizuka and Shigetoshi Hiratsuka. Their collaboration has fostered a creative environment resulting in innovative solutions and advancements in their respective fields.

Conclusion

Norihiro Ashizuka's contributions to the realm of semiconductor innovations have made a lasting impact on the industry. His patents reflect a commitment to excellence and a drive to enhance the efficiency and functionality of electronic devices. With continued efforts, Ashizuka is poised to remain a significant figure in the landscape of technology and innovation.

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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