Kimitsu, Japan

Sadamu Shirokuma

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignees: Mitsui Chemicals, Inc., Otsuka Pharmaceutical Factory, Inc.. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadamu Shirokuma. Retrieved from https://idiyas.com/inventor/sadamu-shirokuma

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 = 6.0

ph-index = 1


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: Sadamu Shirokuma: Innovator in Medical Tubes

Introduction

Sadamu Shirokuma is a notable inventor from Japan, recognized for his contributions to the field of medical technology. His innovative work primarily focuses on the development of medical tubes that enhance the efficiency and safety of medical procedures.

Latest Patents

Sadamu Shirokuma holds a patent for a medical tube that comprises a propylene polymer composition. This composition contains a polymer with propylene units, where at least part of the polymer exhibits an isotactic structure. The medical tube is designed to meet specific criteria, including a tensile modulus of elasticity ranging from 5 to 25 MPa and a needle penetration temperature of 120°C or above. The tube's design also ensures that it maintains a distance of not more than 60 mm when subjected to certain conditions.

Career Highlights

Throughout his career, Sadamu Shirokuma has worked with prominent companies in the pharmaceutical and chemical industries. He has been associated with Otsuka Pharmaceutical Factory, Inc. and Mitsui Chemicals, Inc., where he has contributed to various innovative projects. His expertise in polymer compositions has been instrumental in advancing medical technology.

Collaborations

Sadamu Shirokuma has collaborated with notable colleagues, including Kouichi Igarashi and Ryoji Mori. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Sadamu Shirokuma's work in developing medical tubes showcases his commitment to innovation in medical technology. His contributions have the potential to improve patient care and enhance the effectiveness of medical procedures.

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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