Field System, Inc.

Calculating rank

USPTO Granted Patents = 4

EPO Patents = 1

Forward Citations = 66

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6 inventors (with patents filed for the assignee):

Hiroshi Suzuki (4 out of 223 patents)

Ichiro Okuyama (4 out of 4 patents)

Takashige Tsukuma (4 out of 4 patents)

4. Yoshimaru Maruno (4 out of 4 patents)

5. Hiroaki Matsushima (1 out of 1 patent)

6. Tomio Takara (1 out of 1 patent)

7. Takashige C/O Field System Inc Tsukuma (0 patent)

8. Hiroshi c/o Field System Inc Suzuki (0 patent)

9. Ichiro C/o Field System Inc Okuyama (0 patent)

4 patents: Sort by Forward Citations

1. 9344802 - Information providing system (2016-05-17),

2. 9137243 - Authentication system and authentication method (2015-09-15),

3. 8594340 - Transmitter (2013-11-26),

4. 8494176 - Information providing system (2013-07-23),

Company Overview

Field System, Inc. is a leading provider of innovative field service management solutions for businesses of all sizes. Our cloud-based platform helps organizations streamline their field operations, improve efficiency, and enhance customer satisfaction. With features such as scheduling, dispatching, and real-time tracking, we help companies optimize their field workforce and deliver exceptional service to their clients. Visit our website to learn more about how Field System can transform your field service operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#3,058 in Tokyo

#7,590 in Japan

Tokyo, Japan

Field System, Inc.

Forward Citations = 66

6 inventors:

Hiroshi Suzuki (4 out of 223 patents)

Ichiro Okuyama (4 out of 4 patents)

Takashige Tsukuma (4 out of 4 patents)

4. Yoshimaru Maruno (4 out of 4 patents)

5. Hiroaki Matsushima (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Field System, Inc.. Retrieved from https://idiyas.com/company/field-system

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]

1 patent (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]