% Expired Patents = 12.5

EPO Patents = 4

Trademarks = 1

Forward Citations = 8

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6 inventors (with patents filed for the assignee):

Shinji Kimura (8 out of 37 patents)

Kenzo Yamanaka (7 out of 7 patents)

Satoshi Inoue (6 out of 102 patents)

4. Hiroki Sato (1 out of 71 patents)

5. Fumitaka Sudou (1 out of 1 patent)

6. Tsuyoshi Onaka (1 out of 1 patent)

7. Inoue Satoshi (1 patent)

8. Yamanaka Kenzo (0 patent)

9. Kimura Shinji (0 patent)

10. Onaka Tsuyoshi (0 patent)

11. Sudou Fumitaka (0 patent)

8 patents: Sort by Forward Citations

1. 11864831 - Visual field test device, method of controlling same, and visual field test program (2024-01-09),

2. 10667681 - Vision testing device (2020-06-02),

3. 10564432 - Head-mounted display unit and head-mounted display fixing stand (2020-02-18),

4. 10349827 - Vision testing device and head-mount type display device (2019-07-16),

5. 10226170 - Vision testing device (2019-03-12),

6. 10130251 - Vision testing device and vision testing program (2018-11-20),

7. 10111585 - Vision testing device and head mount type display device (2018-10-30),

8. D800314 - Eye testing apparatus and equipment (2017-10-17),

Company Overview

Crewt Medical Systems, Inc. is a leading provider of innovative medical solutions. Specializing in advanced medical devices and equipment, Crewt Medical Systems is committed to improving patient care and outcomes. With a focus on quality, reliability, and cutting-edge technology, the company offers a wide range of products for various medical fields. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#2,151 in Tokyo

#5,049 in Japan

Tokyo, Japan

Crewt Medical Systems, Inc.

Forward Citations = 8

6 inventors:

Shinji Kimura (8 out of 37 patents)

Kenzo Yamanaka (7 out of 7 patents)

Satoshi Inoue (6 out of 102 patents)

4. Hiroki Sato (1 out of 71 patents)

5. Fumitaka Sudou (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crewt Medical Systems, Inc.. Retrieved from https://idiyas.com/company/crewt-medical-systems

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]

4 patents (EPO):

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]