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For the Inventor, By the Inventor

Tokyo, Japan

Nobuyuki Higashihashi

This inventor holds 4 USPTO granted patents. Top assignees: Daiichi Pharmaceutical Co., Ltd., Daiichi Seiyaku Co., Ltd.. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Higashihashi. Retrieved from https://idiyas.com/inventor/nobuyuki-higashihashi

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 74(Granted Patents)


Company Filing History:

goldMedal3 out of 200 
 
Daiichi Pharmaceutical Co., Ltd.
 patents
silverMedal1 out of 70 
 
Daiichi Seiyaku Co., Ltd.
 patents

Years Active: 1991-2002

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4 patents (USPTO):Explore Patents
1. 6428781 - Composition of an endogenous insulin-like growth factor-II derivative (2002-08-06),
2. 5142046 - Optically active pyridobenzoxazine derivatives and intermediates thereof (1992-08-25),
3. 5053407 - Optically active pyridobenzoxazine derivatives and anti-microbial use (1991-10-01),
4. 4985557 - Optically active pyridobenzoxazine derivatives and intermediates thereof (1991-01-15),

Title: Nobuyuki Higashihashi: Innovator in Pharmaceutical Science

Introduction

Nobuyuki Higashihashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceutical science, holding a total of 4 patents. His work focuses on innovative compounds that have the potential to improve health outcomes for various diseases.

Latest Patents

Higashihashi's latest patents include a composition of an endogenous insulin-like growth factor-II derivative. This invention highlights the effects of endogenous insulin-like growth factor, which can be enhanced by administering compounds that increase free IGF in living bodies. The compounds described in this patent can elevate the concentration of unbound IGF, making it biologically active. These medicaments can be utilized in the prevention and treatment of IGF-responsive diseases such as diabetes, amyotrophic lateral sclerosis, and osteoporosis. Another notable patent involves optically active pyridobenzoxazine derivatives and their intermediates. This invention presents a process for preparing optically active pyridobenzoxazine derivatives that exhibit increased antimicrobial activity and reduced toxicity.

Career Highlights

Throughout his career, Nobuyuki Higashihashi has worked with esteemed companies such as Daiichi Pharmaceutical Co., Ltd. and Daiichi Seiyaku Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the pharmaceutical sector.

Collaborations

Higashihashi has collaborated with notable coworkers, including Katsuichi Sakano and Isao Hayakawa. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Nobuyuki Higashihashi is a distinguished inventor whose work in pharmaceutical science has led to significant advancements in the treatment of various diseases. His innovative patents reflect his commitment to improving health outcomes through scientific research and collaboration.

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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