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For the Inventor, By the Inventor

Kodaira, Japan

Katsuji Murakawa

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuji Murakawa. Retrieved from https://idiyas.com/inventor/katsuji-murakawa

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

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 16(Granted Patents)


Company Filing History:

goldMedal4 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 2002-2005

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4 patents (USPTO):Explore Patents
1. 6977149 - Biochemical reaction detection apparatus (2005-12-20),
2. 6808633 - Centrifugal separator and sample preparation device using the separator (2004-10-26),
3. 6428749 - Advanced thermal gradient DNA chip (ATGC), the substrate for ATGC, method for manufacturing for ATGC, method and apparatus for biochemical reaction, and storage medium (2002-08-06),
4. 6346383 - Advanced thermal gradient DNA chip (ATGC) the substrate for ATGC, method for manufacturing for ATGC method and apparatus for biochemical reaction and storage medium (2002-02-12),

Title: Katsuji Murakawa: Innovator in Biochemical Technology

Introduction

Katsuji Murakawa is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of biochemical technology, holding a total of 4 patents. His work focuses on developing innovative devices that enhance biochemical reactions and sample preparation processes.

Latest Patents

One of Murakawa's latest inventions is a biochemical reaction detection apparatus. This device features a biochemical reaction detection chip that can control the temperature for biochemical reactions, including hybridizations. The chip is designed with multiple islands of heat-conducting material on the substrate membrane, each equipped with individual temperature controllers. This innovative design allows for precise control over the biochemical reactions taking place.

Another significant patent is a centrifugal separator and sample preparation device. This invention includes a centrifugal rotor with symmetric rotation axes and a single sample separation chamber. The design allows for discrete treatment of individual samples, making it easier to automate the sample preparation process through revolving centrifugation. This advancement is particularly beneficial for laboratories that require efficient and independent handling of samples.

Career Highlights

Katsuji Murakawa is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of biochemical detection and sample processing.

Collaborations

Murakawa has collaborated with notable colleagues, including Yuji Miyahara and Tomoharu Kajiyama. Their combined expertise has contributed to the successful development of innovative solutions in the field.

Conclusion

Katsuji Murakawa's contributions to biochemical technology through his patents and collaborations highlight his role as a leading inventor in this field. His innovative devices are paving the way for advancements in biochemical reactions and sample preparation processes.

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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