% Expired Patents = 25.0

Forward Citations = 194

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6 inventors (with patents filed for the assignee):

Fumikazu Ebara (1 out of 1 patent)

Akira Kikuchi (1 out of 1 patent)

Kenji Araki (1 out of 1 patent)

4. Katsumi Oshiro (1 out of 1 patent)

5. Haruki Nakagawa (1 out of 2 patents)

6. Kozo Miyamoto (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 8468869 - Method for calibrating parameter of articulated coordinate measuring apparatus (2013-06-25),

2. 7051447 - System and method for measuring coordinate using multi-joint arm (2006-05-30),

3. 4430796 - Method and apparatus for determining the location of points on a three (1984-02-14),

4. 4384407 - Three dimensional coordinate measuring apparatus (1983-05-24),

Company Overview

Kosaka Laboratory Ltd. is a leading research and development company specializing in innovative technologies for the healthcare industry. With a focus on creating advanced medical devices and solutions, our team of experts is dedicated to improving patient outcomes and quality of life. Through cutting-edge research and collaboration with healthcare professionals, we aim to revolutionize the way healthcare is delivered.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#3,053 in Tokyo

#7,579 in Japan

Tokyo, Japan

Kosaka Laboratory Ltd.

Forward Citations = 194

6 inventors:

Fumikazu Ebara (1 out of 1 patent)

Akira Kikuchi (1 out of 1 patent)

Kenji Araki (1 out of 1 patent)

4. Katsumi Oshiro (1 out of 1 patent)

5. Haruki Nakagawa (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kosaka Laboratory Ltd.. Retrieved from https://idiyas.com/company/kosaka-laboratory

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

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]