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Hitachi-Kokusai Electric Inc.

Calculating rank

USPTO Granted Patents = 1,258

% Expired Patents = 28.6

EPO Patents = 48

Trademarks = 10

Forward Citations = 17,617

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819 inventors (with patents filed for the assignee):

Yoshiro Hirose (124 out of 146 patents)

Atsushi Sano (49 out of 125 patents)

Masanori Sakai (38 out of 93 patents)

4. Yushin Takasawa (37 out of 45 patents)

5. Naonori Akae (36 out of 42 patents)

6. Satoshi Shimamoto (36 out of 43 patents)

7. Kazuyuki Toyoda (35 out of 39 patents)

8. Ryota Sasajima (35 out of 36 patents)

9. Arito Ogawa (31 out of 59 patents)

10. Naoki Hongo (31 out of 31 patents)

11. Takaaki Noda (29 out of 37 patents)

12. Hiroshi Ashihara (28 out of 44 patents)

13. Wataru Ito (27 out of 159 patents)

14. Masaaki Ueno (26 out of 42 patents)

15. Kazuyuki Okuda (25 out of 36 patents)

Core Competencies:

Wireless Communication

RF Power Supply

Image Processing

Machine Learning

Video Monitoring

Train Monitoring

Data Transmission

Object Search

Communication Device

Image Analysis

Software-Defined Radio

Image Display

1,258 patents: Sort by Forward Citations

1. 12499668 - Image analysis system an update method for machine learning model (2025-12-16),

2. 12175760 - Image analysis system, image analysis method, and image analysis program (2024-12-24),

3. 12175569 - Terminal device and RF power supply device (2024-12-24),

4. 12114248 - Radio communication system and radio communication method (2024-10-08),

5. 12047554 - Monitoring system and camera (2024-07-23),

6. 12042254 - Pulse rate estimation method, device, and system (2024-07-23),

7. 12015878 - Train monitoring system and train monitoring method (2024-06-18),

8. 11967750 - Wilkinson-type combiner and RF generator (2024-04-23),

9. 11967174 - Verification system and verification server (2024-04-23),

10. 11930272 - Camera and method for controlling camera (2024-03-12),

11. 11901159 - RF generator device and substrate processing apparatus (2024-02-13),

12. 11881013 - Video system (2024-01-23),

13. 11876301 - Autonomous radiation pattern generation antenna control device, control method therefor, and wireless communication system (2024-01-16),

14. 11870470 - Software-defined radio equipment (2024-01-09),

15. 11810759 - RF generator (2023-11-07),

Company Overview

Hitachi-Kokusai Electric Inc., based in Tokyo, specializes in advanced wireless communication technologies. The company focuses on developing innovative solutions in RF power supply, image processing, and machine learning, catering to various sectors including video monitoring and train monitoring. Their expertise extends to data transmission and object search, positioning them as a key player in enhancing communication systems and operational efficiency across diverse applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

1,258 Patents

#97 in Tokyo

#184 in Japan

#803 in the World

Hitachi-Kokusai Electric Inc.

Forward Citations = 17,617

819 inventors:

Yoshiro Hirose (124 out of 146 patents)

Atsushi Sano (49 out of 125 patents)

Masanori Sakai (38 out of 93 patents)

4. Yushin Takasawa (37 out of 45 patents)

5. Naonori Akae (36 out of 42 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi-Kokusai Electric Inc.. Retrieved from https://idiyas.com/company/hitachi-kokusai-electric

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]

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