Kanagawa, Japan

Yoshihito Akiyama

This inventor holds 4 USPTO granted patents. Top assignee: Sumitomo Bakelite Company Limited. Active years: 2003-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihito Akiyama. Retrieved from https://idiyas.com/inventor/yoshihito-akiyama

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


% Patents Active = 25.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Tokyo, JP (2003)
  • Kanagawa, JP (2006 - 2008)
  • Ota-ku, JP (2010)

Company Filing History:


Years Active: 2003-2010

Loading Chart...
4 patents (USPTO):Explore Patents

Title: Innovations of Yoshihito Akiyama

Introduction

Yoshihito Akiyama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of epoxy resin compositions and semiconductor devices. With a total of 4 patents to his name, Akiyama's work showcases his expertise and innovative spirit.

Latest Patents

Akiyama's latest patents include an epoxy resin composition that provides latency to the composition and a semiconductor device. This composition consists of an epoxy resin (A), a curing agent (B), a curing accelerator (C), and a component that retards curing (D). The epoxy resin demonstrates excellent storage stability, fluidity, and curing properties during encapsulation by molding. It also exhibits remarkable resistance to soldering without forming cleavages or cracks at high temperatures, particularly in lead-free soldering applications.

Another significant patent involves a composition of epoxy resin, a polyphenolic compound, and a trisubstituted phosphonionphenolate salt. This invention provides a curing accelerator suitable for various curable resin compositions. The resulting epoxy resin composition has excellent curability, storage stability, and fluidity, along with a semiconductor device that boasts outstanding solder cracking resistance and moisture reliability.

Career Highlights

Throughout his career, Akiyama has worked with prominent companies, including Sumitomo Bakelite Company Limited and Sumitomo Baeklite Company Limited. His experience in these organizations has contributed to his development as an inventor and innovator in the field of materials science.

Collaborations

Akiyama has collaborated with notable coworkers, including Akiko Okubo and Yoshiyuki Goh. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Yoshihito Akiyama's contributions to the field of epoxy resin compositions and semiconductor devices highlight his innovative capabilities and dedication to advancing technology. His patents reflect a commitment to improving material properties and performance in various applications.

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]
Loading…