Osaka, Japan

Hirotada Kotani

This inventor holds 2 USPTO granted patents. Top assignee: Dainippon Pharmaceutical Company, Limited. Active years: 1991-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotada Kotani. Retrieved from https://idiyas.com/inventor/hirotada-kotani

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 1

Forward Citations = 25(Granted Patents)


Location History:

  • Osaka, JP (1991)
  • Sakai, JP (1994)

Company Filing History:


Years Active: 1991-1994

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

Title: Hirotada Kotani: Innovator in Biopharmaceuticals

Introduction

Hirotada Kotani is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of biopharmaceuticals, particularly in the development of modified polypeptides. With a total of 2 patents, his work has the potential to impact medical treatments significantly.

Latest Patents

Kotani's latest patents include innovative approaches to human interleukin and tumor necrosis factor (TNF) polypeptides. The first patent focuses on modified polypeptides of IL-1.alpha., which are designed to maintain biological activities while lacking the capacity to induce the production of prostaglandin E.sub.2. This modification is expected to be useful as a medicament. The second patent involves novel human TNF polypeptide mutants and the DNA encoding these mutants. These mutants are soluble and exhibit antitumor activity, showcasing Kotani's commitment to advancing therapeutic options.

Career Highlights

Hirotada Kotani is associated with Dainippon Pharmaceutical Company, Limited, where he continues to innovate in the biopharmaceutical sector. His work is characterized by a focus on enhancing the efficacy and safety of therapeutic proteins.

Collaborations

Kotani has collaborated with notable colleagues such as Junichi Yamagishi and Hitoshi Kawashima. These partnerships have fostered a collaborative environment that enhances the research and development of new biopharmaceuticals.

Conclusion

Hirotada Kotani's contributions to the field of biopharmaceuticals through his innovative patents and collaborations highlight his role as a key inventor in the industry. His work continues to pave the way for advancements in medical treatments.

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…