Toyonaka, Japan

Kenji Himeshima

This inventor holds 2 USPTO granted patents. Top assignees: Nissho Corporation, Sumitomo Pharmaceuticals Company Limited. Active years: 1990-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Himeshima. Retrieved from https://idiyas.com/inventor/kenji-himeshima

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 = 4.0

ph-index = 2

Forward Citations = 230(Granted Patents)


Location History:

  • Toyonaka, JP (1990)
  • Sanda, JP (1997)

Company Filing History:


Years Active: 1990-1997

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2 patents (USPTO):Explore Patents

Title: Kenji Himeshima: Innovator in Medical Device Technology

Introduction

Kenji Himeshima is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of medical devices, particularly in the development of syringes and drug delivery systems. With a total of 2 patents, Himeshima's work reflects his commitment to improving healthcare technology.

Latest Patents

Himeshima's latest patents include a prefilled syringe and a device for administering solid preparations. The prefilled syringe features a glass syringe body, a sealing member with a through-hole, and a tip member designed for liquid-tight fixation. This innovative design enhances the efficiency and safety of drug delivery. The device for administering solid preparations allows for subcutaneous delivery of solid or semisolid medications, utilizing a barrel with a nozzle and a plunger mechanism. This invention aims to streamline the administration of medications, making it easier for healthcare providers.

Career Highlights

Throughout his career, Kenji Himeshima has worked with prominent companies such as Nissho Corporation and Sumitomo Pharmaceuticals Company Limited. His experience in these organizations has contributed to his expertise in medical device innovation.

Collaborations

Himeshima has collaborated with talented individuals in the field, including Yoshihiro Takada and Hitoshi Futagawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking medical technologies.

Conclusion

Kenji Himeshima's contributions to medical device technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the healthcare industry 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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