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For the Inventor, By the Inventor

Olst, Netherlands

Paulus R Kamstra

This inventor holds 6 USPTO granted patents. Top assignee: Duphar International Research Bv. Active years: 1984-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paulus R Kamstra. Retrieved from https://idiyas.com/inventor/paulus-r-kamstra

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 459(Granted Patents)


Company Filing History:

goldMedal6 out of 169 
 
Duphar International Research Bv
 patents

Years Active: 1984-1989

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6 patents (USPTO):Explore Patents
1. 4822340 - Automatic injector (1989-04-18),
2. 4573972 - Automatic injection device (1986-03-04),
3. 4573971 - Automatic injection device (1986-03-04),
4. 4529403 - Automatic injection syringe (1985-07-16),
5. 4496344 - Multiple-compartment syringe (1985-01-29),
6. 4469482 - Disposable hypodermic syringe (1984-09-04),

Title: Paulus R Kamstra: Innovator in Automatic Injection Technology

Introduction

Paulus R Kamstra is a notable inventor based in Olst, Netherlands. He has made significant contributions to the field of automatic injection technology, holding a total of 6 patents. His innovative designs focus on improving the efficiency and functionality of injection devices.

Latest Patents

One of his latest inventions is an automatic injector designed for injecting one or more different injection liquids. This device features a combination of a substantially cylindrical means containing a discharge mechanism and multiple cartridge elements. The cartridge elements include a piston, a sealing stopper, and a needle holder with an injection needle. Another notable patent is the automatic injection device, which allows for the injection of two or more different liquids that must not come into contact for extended periods. This device also incorporates a discharge mechanism, a cartridge holder, and a hypodermic needle.

Career Highlights

Paulus R Kamstra is currently associated with Duphar International Research Bv, where he continues to develop innovative solutions in the field of medical technology. His work has been instrumental in advancing automatic injection systems, making them more user-friendly and efficient.

Collaborations

He collaborates with Rokus C Lissenburg, contributing to the development of cutting-edge technologies in their field.

Conclusion

Paulus R Kamstra's contributions to automatic injection technology highlight his innovative spirit and dedication to improving medical devices. His patents reflect a commitment to enhancing the efficiency and safety of injection systems, making a significant impact in the healthcare industry.

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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