Kanagawa, Japan

Kazunori Koiwai

This inventor holds 12 USPTO granted patents and 2 published patent applications and 7 EPO patents. Top assignee: Terumo Kabushiki Kaisha. Active years: 2001-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunori Koiwai. Retrieved from https://idiyas.com/inventor/kazunori-koiwai

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

USPTO Granted Patents = 12 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 173(Granted Patents)


Location History:

  • Ashigarakami-gun, JP (2014 - 2016)
  • Odawara, JP (2020)
  • Kanagawa, JP (2001 - 2022)

Company Filing History:


Years Active: 2001-2022

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12 patents (USPTO):Explore Patents

Title: Kazunori Koiwai: Innovator in Medical Equipment

Introduction

Kazunori Koiwai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of medical equipment, holding a total of 12 patents. His innovative designs focus on improving the safety and efficiency of medical devices.

Latest Patents

One of Koiwai's latest patents is a medical equipment package that contains a plurality of prefilled syringe systems. This package includes syringe packaging bodies and an outer box that accommodates these bodies. Each prefilled syringe system consists of a prefilled syringe, a needle packaging body, and a needle unit case. The design ensures that the needle unit is securely supported within the case.

Another notable patent is for an intradermal injection needle specifically designed for immunotherapy. This needle assembly features a hollow needle with a blade edge that can pierce the skin, along with a discharge port for administering products. The dimensions of the needle and discharge port are meticulously crafted to ensure effective subcutaneous delivery.

Career Highlights

Kazunori Koiwai works at Terumo Kabushiki Kaisha, a leading company in the medical device industry. His work has significantly advanced the development of medical equipment, particularly in the area of injection systems. His innovative approach has garnered attention and respect within the medical community.

Collaborations

Koiwai collaborates with talented coworkers, including Yoichiro Iwase and Tetsuo Tanaka. Together, they contribute to the advancement of medical technologies and the development of new products that enhance patient care.

Conclusion

Kazunori Koiwai is a distinguished inventor whose work in medical equipment has made a lasting impact. His innovative patents reflect his commitment to improving healthcare through advanced technology. His contributions continue to shape the future of medical devices.

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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