Kawasaki, Japan

Yoichi Koyanagi

This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1997-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Koyanagi. Retrieved from https://idiyas.com/inventor/yoichi-koyanagi-gpmstjsc

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 159(Granted Patents)


Company Filing History:


Years Active: 1997-2000

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Innovations of Yoichi Koyanagi

Introduction

Yoichi Koyanagi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of computer technology, holding a total of 5 patents. His work primarily focuses on enhancing data transmission and processing efficiency in parallel computing systems.

Latest Patents

One of Koyanagi's latest patents is a parallel computer that verifies direct data transmission between local processing elements. This innovative design includes a plurality of processing elements, each equipped with a flag address holding unit. This unit temporarily holds the address of a send complete flag for a direct remote write message, ensuring efficient communication between processing elements.

Another notable patent is a queue control apparatus that includes memory to save data received during processing. This apparatus features an overflow control unit that stores data generated by a processor in a FIFO buffer. When the buffer is full, the unit sets a predetermined flag and stores additional data in a saving buffer. It then notifies the processor via an interrupt when the FIFO buffer has available capacity, allowing for seamless data transfer and processing.

Career Highlights

Koyanagi is currently employed at Fujitsu Corporation, a leading technology company known for its innovative solutions in computing and information technology. His work at Fujitsu has allowed him to develop cutting-edge technologies that enhance the performance of computer systems.

Collaborations

Throughout his career, Koyanagi has collaborated with notable colleagues, including Takeshi Horie and Toshiyuki Shimizu. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Yoichi Koyanagi's contributions to parallel computing and data processing have established him as a key figure in the technology sector. His innovative patents continue to influence advancements in computer technology, showcasing his dedication to improving efficiency and performance in computing systems.

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]
Loading…