Kanagawa, Japan

Hisaki Kajino

This inventor holds 7 USPTO granted patents and 6 published patent applications. Top assignees: Sankyo Company, Limited, Daiichi Sankyo Company, Limited. Active years: 1991-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisaki Kajino. Retrieved from https://idiyas.com/inventor/hisaki-kajino

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

USPTO Granted Patents = 7 

% Patents Active = 42.9

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Shiga, JP (1991 - 1993)
  • Hiratsuka, JP (2012)
  • Kanagawa, JP (2010 - 2014)

Company Filing History:


Years Active: 1991-2014

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7 patents (USPTO):Explore Patents

Title: The Innovations of Hisaki Kajino

Introduction

Hisaki Kajino, a prominent inventor located in Kanagawa, Japan, has made significant contributions in the field of pharmaceutical innovations. With a total of seven patents to his name, Kajino has focused on developing compounds that exhibit antitumor activity and enhance therapeutic treatments.

Latest Patents

Kajino's latest patents include groundbreaking inventions aimed at combating various ailments. His foremost patent describes a crystal of a tricyclic pyrazolopyrimidine derivative, which provides a hydrochloride capable of inhibiting the effect of HSP90. This invention has noteworthy implications, as it demonstrates antitumor activity while inhibiting ATPase activity of HSP90.

Additionally, Kajino has developed crystalline forms of thiazolidinedione compounds, which are effective as pharmaceutical ingredients in the creation of peroxisome proliferator-activated receptor (PPAR) activators and anticancer compositions. These innovations further illustrate his commitment to advancing cancer treatment methodologies.

Career Highlights

Hisaki Kajino has an impressive career, marked by his affiliations with reputable companies in the pharmaceutical industry. He has worked with Sankyo Company, Limited, and Daiichi Sankyo Company, Limited, where he has leveraged his expertise in drug development to produce impactful inventions.

Collaborations

Throughout his career, Kajino has collaborated with esteemed coworkers like Yutaka Ikeuchi and Takao Okazaki. These partnerships have empowered him to innovate and refine his inventions, highlighting the importance of teamwork in advancing scientific research and development.

Conclusion

Hisaki Kajino exemplifies the role of an inventor in contributing to medical advancements through targeted innovations. With seven patents already under his belt and a commitment to tackling complex health issues, his work continues to inspire and pave the way for future developments in pharmaceuticals.

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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