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Aichi Steel Corporation

USPTO Granted Patents = 134

EPO Patents = 66

Trademarks = 7

Forward Citations = 333

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109 inventors (with patents filed for the assignee):

Michiharu Yamamoto (83 out of 85 patents)

Hitoshi Aoyama (52 out of 53 patents)

Tomohiko Nagao (48 out of 49 patents)

4. Yoshinobu Honkura (40 out of 80 patents)

5. Norihiko Hamada (13 out of 13 patents)

6. Kazuo Arai (10 out of 13 patents)

7. Hiroshi Matsuoka (9 out of 10 patents)

8. Takeshi Kawano (9 out of 9 patents)

9. Hironari Mitarai (9 out of 14 patents)

10. Akihiro Shimode (9 out of 9 patents)

11. Masaki Mori (7 out of 13 patents)

12. Kazuo Urakawa (6 out of 6 patents)

13. Hideo Arakawa (6 out of 6 patents)

14. Chisato Mishima (6 out of 10 patents)

15. Katsuhiko Nishihata (4 out of 4 patents)

Core Competencies:

Magneto-Sensitive Wire

Magnetic Sensor

Biomagnetism Measurement

Magnetic Marker System

Automatic Parking System

Driving Assistance System

Position Estimation

Gyro Sensor Calibration

Wireless Power-Feeding

Heterocycle-Containing Compounds

Point Cloud Data Acquisition

Vehicular Orientation Detection

134 patents: Sort by Forward Citations

1. 12503821 - Magnetic marker installation method and supplemental tool for installing magnetic marker (2025-12-23),

2. 12493300 - System and magnetic marker detection method (2025-12-09),

3. 12422860 - Magnetic marker system and magnetic marker system designing method (2025-09-23),

4. 12422506 - Magneto-sensitive wire and manufacturing method therefor (2025-09-23),

5. 12399233 - Magnetic sensor and biomagnetism measuring apparatus (2025-08-26),

6. 12382957 - Lactam compound or salt thereof, complex, and fertilizer and plant growth regulator containing said compound or salt and complex (2025-08-12),

7. 12326487 - Magneto-impedance sensor element (2025-06-10),

8. 12322285 - Information acquisition method and vehicular system (2025-06-03),

9. 12270870 - Magnetic sensor and biomagnetic measurement device (2025-04-08),

10. 12246746 - Operation system and operation system control method (2025-03-11),

11. 12236781 - Position estimation method and position estimation system (2025-02-25),

12. 12235125 - Map data and map data generation method (2025-02-25),

13. 12221095 - Automatic parking system (2025-02-11),

14. 12038757 - Marker detection system and method of operating marker detection system (2024-07-16),

15. 12013447 - Magneto-sensitive wire for magnetic sensors and production method therefor (2024-06-18),

AICHI STEEL CORPORATION is a leading manufacturer of steel products, serving various industries worldwide. With over 60 years of experience, AICHI STEEL has developed expertise in producing high-quality steel materials and providing cutting-edge solutions. We specialize in manufacturing steel bars, wire rods, and specialty steel products, meeting the stringent requirements of automotive, aerospace, construction, and other industries. Our commitment to innovation, reliability, and customer satisfaction has made us a trusted partner for numerous global clients. To learn more about our company and product offerings, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

134 Patents

#1 in Tokai

#899 in Japan

#5,853 in the World

Aichi Steel Corporation

Forward Citations = 333

109 inventors:

Michiharu Yamamoto (83 out of 85 patents)

Hitoshi Aoyama (52 out of 53 patents)

Tomohiko Nagao (48 out of 49 patents)

4. Yoshinobu Honkura (40 out of 80 patents)

5. Norihiko Hamada (13 out of 13 patents)

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