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For the Inventor, By the Inventor

Hyogo, Japan

Koichi Yanagawa

This inventor holds 5 USPTO granted patents. Top assignees: Hewlett-Packard Company, Agilent Technologies, Inc.. Active years: 1989-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Yanagawa. Retrieved from https://idiyas.com/inventor/koichi-yanagawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 126(Granted Patents)


Location History:

  • Hachioji, JP (1989)
  • Hachiojishi, JP (1991)
  • Kobe, JP (1996)
  • Hyogo, JP (1997 - 2001)

Company Filing History:

goldMedal4 out of 9,639 
 
Hewlett-Packard Company
 patents
silverMedal1 out of 4,731 
 
Agilent Technologies, Inc.
 patents

Years Active: 1989-2001

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5 patents (USPTO):Explore Patents
1. 6271673 - Probe for measuring signals (2001-08-07),
2. 5661404 - Circuit network measurement device and calibration method (1997-08-26),
3. 5523693 - Balanced signal source (1996-06-04),
4. 5014012 - D.C. biasing apparatus (1991-05-07),
5. 4885528 - Apparatus which uses a simulated inductor in the measurement of an (1989-12-05),

Title: Biography of Koichi Yanagawa

Introduction

Koichi Yanagawa is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of measurement technology, holding a total of five patents. His innovative work has been recognized in various industries, particularly in circuit network measurement devices.

Latest Patents

One of his latest patents is a probe for measuring signals. This probe features a narrow contact pitch and includes an end section with a main tip member and a sub-tip member. The sub-tip member is pivotally connected to the housing and can trace a circular orbit, allowing for precise measurements. Another significant patent is a circuit network measurement device and calibration method. This system reduces the frequency of connecting and disconnecting calibration standards, enhancing efficiency in measurement processes.

Career Highlights

Throughout his career, Koichi Yanagawa has worked with prominent companies such as Hewlett-Packard Company and Agilent Technologies, Inc. His experience in these organizations has contributed to his expertise in measurement technologies and innovations.

Collaborations

Koichi has collaborated with notable individuals in his field, including Yoichi Kuboyama and Masaji Furuta. These collaborations have further enriched his work and led to advancements in measurement technology.

Conclusion

Koichi Yanagawa's contributions to the field of measurement technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the

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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