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For the Inventor, By the Inventor

Tokyo, Japan

Harada Industry Co., Ltd.

Calculating rank
USPTO Granted Patents = 126

% Expired Patents = 19.8


Trademarks = 5

Forward Citations = 859

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115 inventors (with patents filed for the assignee):

goldMedal Masaki Shinkawa (11 out of 20 patents)

silverMedal Hiroshi Endo (10 out of 87 patents)

bronzeMedal Yutaka Imamura (9 out of 9 patents)

4.  Hidekazu Kobayashi (8 out of 24 patents)

5.  Jinsong Wang (8 out of 8 patents)

6.  Richard Jonathan Langley (8 out of 8 patents)

7.  Jiro Harada (8 out of 14 patents)

8.  Junichi Kawahata (7 out of 7 patents)

9.  Shigeru Uchino (7 out of 8 patents)

10.  Kenji Taira (6 out of 21 patents)

11.  Kiyokazu Kaneko (6 out of 6 patents)

12.  Hiroyuki Tachihara (6 out of 6 patents)

13.  Shinji Iino (5 out of 12 patents)

14.  Toshiro Yokoyama (5 out of 5 patents)

15.  Katsushiro Ishibayashi (5 out of 5 patents)


Core Competencies:
Antenna Device
Vehicle Antenna
Low-Profile Antenna
Noise Filter
Composite Antenna
Roof-Mounted Antenna
Multiband Antenna
Patch Antenna
Vehicle-Embedded Antenna
Antenna Module
Vehicle-Mounted Antenna
Antenna Connector

126 patents:

1. 12725912 - Composite antenna device (2026-09-01),
2. 12695179 - Vehicle antenna device (2026-07-28),
3. 12620718 - MIMO antenna device (2026-05-05),
4. D1098049 - Metal fitting for connecting electric wires (2025-10-14),
5. 12341240 - Vehicle exterior device (2025-06-24),
6. 12316030 - Low-profile composite antenna device (2025-05-27),
7. 12316000 - Low-profile antenna device (2025-05-27),
8. 12218414 - Low-profile composite antenna device (2025-02-04),
9. 12218394 - Power feed circuit comprising a synthesizing-distributing unit and a phase shifting unit configured for feeding a two point or a four point circularly polarized antenna (2025-02-04),
10. 12104635 - Roof-mounted antenna mounting structure (2024-10-01),
11. 12057625 - Vehicle body-embedded antenna device (2024-08-06),
12. 11962076 - Antenna device (2024-04-16),
13. 11901640 - Antenna device (2024-02-13),
14. 11683059 - Noise reduction device (2023-06-20),
15. 11569578 - Patch antenna device (2023-01-31),
Company Overview
Harada Industry Co., Ltd., based in Tokyo, specializes in advanced vehicle antenna technology, focusing on the development and manufacturing of innovative antenna solutions for automotive applications. The company is recognized for its expertise in low-profile, multiband, and composite antennas, as well as noise filters and roof-mounted designs. Harada's commitment to research and development enables it to address the evolving demands of the automotive industry, ensuring reliable communication and connectivity in modern vehicles.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

126 Patents

#482 in Tokyo

#981 in Japan

#6,375 in the World

Tokyo, JP
Tokyo, Japan

Harada Industry Co., Ltd.

Forward Citations = 859

115 inventors:

goldMedal Masaki Shinkawa (11 out of 20 patents)

silverMedal Hiroshi Endo (10 out of 87 patents)

bronzeMedal Yutaka Imamura (9 out of 9 patents)

4.  Hidekazu Kobayashi (8 out of 24 patents)

5.  Jinsong Wang (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harada Industry Co., Ltd.. Retrieved from https://idiyas.com/company/harada-industry-company

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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