logo

For the Inventor, By the Inventor

Osaka, Japan

Tsuneo Kawashima

This inventor holds 3 USPTO granted patents. Top assignee: Kanebo, Limited. Active years: 1984-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Kawashima. Retrieved from https://idiyas.com/inventor/tsuneo-kawashima

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

Calculating rank
USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 37(Granted Patents)


Location History:

  • Kobe, JP (1984)
  • Osaka, JP (1986 - 1993)

Company Filing History:

goldMedal3 out of 305 
 
Kanebo, Limited
 patents

Years Active: 1984-1993

Loading Chart...
3 patents (USPTO):Explore Patents
1. 5246704 - Vaginal suppository (1993-09-21),
2. 4603130 - 1-substituted-2-(piperazinyl or homopiperazinyl)-benzimidazole compounds (1986-07-29),
3. 4430343 - Benzimidazole derivatives, process for the preparation thereof and (1984-02-07),

Title: Tsuneo Kawashima: Innovator in Pharmaceutical Patents

Introduction

Tsuneo Kawashima is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of pharmaceuticals, particularly through his innovative patents. With a total of 3 patents, Kawashima has focused on developing formulations that enhance drug delivery and efficacy.

Latest Patents

One of his latest patents is a vaginal suppository that comprises a pharmaceutically acceptable salt of dehydroepiandrosterone sulfate (DHAS), an amino acid, and a hard fat with a hydroxy value of not more than 50. This formulation is designed to improve the absorption of the active drug from the vagina while ensuring a good shelf life. Another significant patent involves 1-substituted-2-(piperazinyl or homopiperazinyl)-benzimidazole compounds. These novel benzimidazole derivatives exhibit potent antihistaminic activity with reduced toxicity, making them useful as antihistaminics.

Career Highlights

Kawashima is currently associated with Kanebo, Limited, where he continues to innovate in the pharmaceutical sector. His work has been instrumental in advancing drug formulations that address various health issues.

Collaborations

He has collaborated with notable coworkers, including Ryuichi Iemura and Toshikazu Fukuda, contributing to the development of effective pharmaceutical solutions.

Conclusion

Tsuneo Kawashima's contributions to pharmaceutical innovations highlight his role as a key inventor in the industry. His patents reflect a commitment to improving drug delivery systems and enhancing patient care.

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…