Kashiwara, Japan

Tsunetaka Nakajima

This inventor holds 9 USPTO granted patents, plus 1 CIPO patent. Top assignees: Ishihara Sangyo Kaisha, Ltd., The Green Cross Corporation. Active years: 1988-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunetaka Nakajima. Retrieved from https://idiyas.com/inventor/tsunetaka-nakajima

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 = 7.2

ph-index = 7

Forward Citations = 157(Granted Patents)


Location History:

  • Nara, JP (1988)
  • Kashiwara, JP (1988 - 1991)
  • Hirakata, JP (1991 - 1992)

Company Filing History:


Years Active: 1988-1992

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9 patents (USPTO):Explore Patents

Title: Tsunetaka Nakajima: Innovator in Pharmaceutical Chemistry

Introduction

Tsunetaka Nakajima is a notable inventor based in Kashiwara, Japan. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 9 patents. His work primarily focuses on the development of innovative pharmaceutical compositions.

Latest Patents

Among his latest patents is the "Benzoyl urea compound-albumin complex." This invention comprises a benzoyl urea compound with specific chemical properties, including various halogen atoms and functional groups. Another significant patent is the "Powdery pharmaceutical composition containing benzoyl urea, a dispersant." This composition includes a benzoyl urea compound as an active ingredient, along with a nonionic surfactant and other components to enhance its effectiveness.

Career Highlights

Tsunetaka Nakajima has worked with prominent companies in the pharmaceutical industry, including Ishihara Sangyo Kaisha, Ltd. and The Green Cross Corporation. His experience in these organizations has allowed him to refine his expertise in pharmaceutical innovations.

Collaborations

Throughout his career, Nakajima has collaborated with esteemed colleagues such as Masahiro Watanabe and Nobuo Kondo. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Tsunetaka Nakajima's contributions to pharmaceutical chemistry through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative work continues to impact the field positively.

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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