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Icom Incorporated

Calculating rank

USPTO Granted Patents = 218

% Expired Patents = 2.8

EPO Patents = 48

Trademarks = 24

Forward Citations = 1,286

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78 inventors (with patents filed for the assignee):

Nobuyoshi Nishikawa (23 out of 23 patents)

Haruki Nishizawa (21 out of 21 patents)

Hirotaka Sonobe (13 out of 13 patents)

4. Yoshio Sekiyama (13 out of 13 patents)

5. Masashi Nakagawa (13 out of 15 patents)

6. Weimin Sun (12 out of 12 patents)

7. Hisaaki Matsushima (9 out of 9 patents)

8. Kouichiro Yamaguchi (9 out of 9 patents)

9. Tsuyoshi Onoue (9 out of 10 patents)

10. Tetsuro Nishida (9 out of 9 patents)

11. Yoshiyuki Tanaka (8 out of 8 patents)

12. Yuma Oda (7 out of 7 patents)

13. Akira Nakano (7 out of 8 patents)

14. Shoji Fukuzawa (7 out of 7 patents)

15. Scott C Zifferer (7 out of 7 patents)

Core Competencies:

Voice Communication System

Wireless Device

Frequency Control

Portable Communication Device

Relay Device

Signal Processing

Communication Terminal

Data Update System

Noise Suppression

Radio Communication Device

Multisite Trunking

Communication Control

218 patents: Sort by Forward Citations

1. 12771733 - Communication terminal and control method (2026-10-20),

2. D1150009 - Portable communication device (2026-09-29),

3. 12535777 - Frequency control assist device, frequency control device, and radio device (2026-01-27),

4. 12309308 - Communication system, voice input device, communication terminal, and program (2025-05-20),

5. 12185199 - Relay device and voice communication recording method (2024-12-31),

6. 12107902 - Server system and redundancy method for processes (2024-10-01),

7. 12047202 - Wireless system, relay method, and communication terminal (2024-07-23),

8. D1026849 - Radio communication device (2024-05-14),

9. D1026845 - Radio communication device (2024-05-14),

10. 11924369 - Voice communication system, voice communication method, and voice communication program (2024-03-05),

11. 11818659 - Control device, wireless communication device, wireless system, and power supply control method (2023-11-14),

12. 11777999 - Voice communication system and redundancy method for call control server (2023-10-03),

13. 11683756 - Communication device and method for controlling same (2023-06-20),

14. 11665503 - Communication device and method for controlling same (2023-05-30),

15. 11606404 - Relay device and relay method of voice signal (2023-03-14),

Company Overview

Icom Incorporated, headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced wireless communication devices. The company focuses on various core technology topics, including voice communication systems, portable communication devices, and signal processing. Icom's innovative solutions cater to a wide range of applications, enhancing connectivity and communication efficiency across diverse sectors. With a commitment to quality and technological advancement, Icom continues to play a significant role in the wireless communication industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

218 Patents

#75 in Osaka

#669 in Japan

#3,929 in the World

Icom Incorporated

Forward Citations = 1,286

78 inventors:

Nobuyoshi Nishikawa (23 out of 23 patents)

Haruki Nishizawa (21 out of 21 patents)

Hirotaka Sonobe (13 out of 13 patents)

4. Yoshio Sekiyama (13 out of 13 patents)

5. Masashi Nakagawa (13 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Icom Incorporated. Retrieved from https://idiyas.com/company/icom

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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