Tokyo, Japan

Yoshihiro Kitamura

This inventor holds 6 USPTO granted patents. Top assignees: Elpida Memory, Inc., Nec Corporation, Chinese Academy of Sciences. Active years: 1993-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Kitamura. Retrieved from https://idiyas.com/inventor/yoshihiro-kitamura-mi7s5977

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


% Patents Active = 33.3

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1993-2015

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

Title: Innovations and Contributions of Yoshihiro Kitamura

Introduction

Yoshihiro Kitamura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of virology and semiconductor technology. With a total of 6 patents to his name, Kitamura's work has had a profound impact on both medical and technological advancements.

Latest Patents

One of his latest patents focuses on the infectious hepatitis C virus, specifically high-producing HCV variants and their applications. The objective of this invention is to provide an HCV strain with a high capacity for virus production in a cell culture system. This invention includes a nucleic acid encoding a polyprotein precursor of the hepatitis C virus JFH1 strain, which features one or more amino acid substitutions. Notably, it includes a substitution of glutamine at position 862 with arginine, as referenced in the amino acid sequence shown in SEQ ID NO: 2 in the Sequence Listing.

Another significant patent involves a method of fabricating a semiconductor device that allows for a smooth bump surface. This method includes removing an oxide film formed on a surface of the solder while heating the semiconductor substrate with first radiant heat. Additionally, it involves heating the semiconductor substrate with a greater amount of second radiant heat to reflow the solder from which the oxide film has been removed.

Career Highlights

Throughout his career, Yoshihiro Kitamura has worked with prominent companies such as NEC Corporation and Elpida Memory, Inc. His experience in these organizations has contributed to his expertise in both semiconductor technology and virology.

Collaborations

Kitamura has collaborated with notable colleagues, including Taishi Kubota and Takuo Ohashi. These collaborations have further enriched his work and innovations in his respective fields.

Conclusion

Yoshihiro Kitamura's contributions to science and technology are noteworthy. His patents reflect a commitment to advancing medical and semiconductor technologies. His work continues to influence future innovations in these critical areas.

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…