Kudamatsu, Japan

Kosai Hiratsuka

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Electric Power Development Co., Ltd.. Active years: 1977-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kosai Hiratsuka. Retrieved from https://idiyas.com/inventor/kosai-hiratsuka

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 = 4.6

ph-index = 2

Forward Citations = 112(Granted Patents)


Location History:

  • Kudamatsu, JA (1977)
  • Kudamatsu, JP (1985 - 1988)

Company Filing History:


Years Active: 1977-1988

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4 patents (USPTO):Explore Patents

Title: Kosai Hiratsuka: Innovator in Electrophoretic Separation Technology

Introduction

Kosai Hiratsuka is a notable inventor based in Kudamatsu, Japan. He has made significant contributions to the field of electrophoretic separation technology, holding a total of 4 patents. His work focuses on methods and apparatuses that enhance the separation of charged substances, which are crucial in various scientific and medical applications.

Latest Patents

Hiratsuka's latest patent is a free-flow electrophoretic separation method and apparatus. This invention discloses a technique for separating charged substances such as proteins and cells through electrophoresis. The method involves supplying a mixed solution containing the charged substances, which are dissolved in a separation buffer, into a separation chamber. The mixed solution is then circulated within the chamber while a direct current voltage is applied, facilitating the electrophoresis of the charged substances. The separated substances are subsequently withdrawn from outlets located at both ends of the separation chamber.

Career Highlights

Throughout his career, Kosai Hiratsuka has worked with prominent companies, including Hitachi, Ltd. and Electric Power Development Co., Ltd. His experience in these organizations has contributed to his expertise in the field of electrophoresis and separation technologies.

Collaborations

Hiratsuka has collaborated with notable colleagues such as Kiyoshi Fujiwara and Toji Nakatsui. These partnerships have likely enriched his research and development efforts, leading to innovative solutions in his area of expertise.

Conclusion

Kosai Hiratsuka's contributions to electrophoretic separation technology demonstrate his commitment to advancing scientific methods for separating charged substances. His patents reflect a deep understanding of the complexities involved in this field, making him a significant figure in innovation.

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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