Kashiba, Japan

Sadanobu Yoshikawa

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Sumika Fine Chemicals, Co.,ltd., Nissan Chemical Industries Limited. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadanobu Yoshikawa. Retrieved from https://idiyas.com/inventor/sadanobu-yoshikawa

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



Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 18(Granted Patents)


Location History:

  • Osaka, JP (2003)
  • Kashiba, JP (2005)

Company Filing History:


Years Active: 2003-2005

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2 patents (USPTO):Explore Patents

Title: Sadanobu Yoshikawa: Innovator in Pharmaceutical Chemistry

Introduction

Sadanobu Yoshikawa is a notable inventor based in Kashiba, Japan. He has made significant contributions to the field of pharmaceutical chemistry, particularly through his innovative processes for producing various chemical compounds. With a total of 2 patents to his name, Yoshikawa's work has had a meaningful impact on the industry.

Latest Patents

Yoshikawa's latest patents include a process for producing quinoline-3-carboxylic acid compounds and methods for producing anhydrous mirtazapine crystals. The first patent outlines a process for creating quinoline-3-carboxylic acid represented by a specific formula. The second patent details methods for producing anhydrous mirtazapine crystals that are either substantially free of lower alcohol insolubles or residual solvents, with an average particle diameter ranging from 10 to 50 micrometers. These innovations are particularly useful in the pharmaceutical sector.

Career Highlights

Throughout his career, Sadanobu Yoshikawa has worked with prominent companies such as Sumika Fine Chemicals Co., Ltd. and Nissan Chemical Industries Limited. His experience in these organizations has allowed him to refine his skills and contribute to various projects that advance chemical production techniques.

Collaborations

Yoshikawa has collaborated with esteemed colleagues, including Susumu Nishizawa and Chiharu Maeda. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Sadanobu Yoshikawa's contributions to pharmaceutical chemistry through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the development of important chemical processes.

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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