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Magellan Systems Japan, Inc.

USPTO Granted Patents = 16

EPO Patents = 4

Forward Citations = 54

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10 inventors (with patents filed for the assignee):

Lawrence Randolph Weill (6 out of 17 patents)

Nobuhiro Kishimoto (5 out of 7 patents)

Sergey Lyusin (4 out of 5 patents)

4. Seiichiro Hirata (2 out of 17 patents)

5. Toru Kondo (1 out of 1 patent)

6. Toshinobu Nagamatsu (1 out of 1 patent)

7. Takehiro Ohnishi (1 out of 1 patent)

8. Takayoshi Nakamoto (1 out of 1 patent)

9. Fumio Ueda (1 out of 10 patents)

10. Takayoshi Nakamoto (0 patent)

16 patents: Sort by Forward Citations

1. 12259480 - Method and system for providing authentication to GNSS open service signals and interoperable secure positioning (2025-03-25),

2. 12169243 - High precision independent positioning apparatus for reference station (2024-12-17),

3. 12158527 - Reference station with high precision independent positioning function (2024-12-03),

4. 11802974 - Highly reliable navigation receiver (2023-10-31),

5. 11585943 - Detection and elimination of GNSS spoofing signals with PVT solution estimation (2023-02-21),

6. 11415703 - Spoofing detection in real time kinematic positioning (2022-08-16),

7. 11156724 - System and method for calibrating inter-frequency hardware bias in RTK positioning using error correction information (2021-10-26),

8. 10908294 - Detection and elimination of GNSS spoofing signals with PVT solution estimation (2021-02-02),

9. 8615032 - Process for sub-microsecond time transfer using weak GPS/GNSS signals (2013-12-24),

10. 8542718 - Method and apparatus for acquisition, tracking, and sub-microsecond time transfer using weak GPS/GNSS signals (2013-09-24),

11. 8391341 - Process for sub-microsecond time transfer using weak GPS/GNSS signals (2013-03-05),

12. 8391340 - Low cost, high performance GPS/GNSS receiver architecture (2013-03-05),

13. 8331422 - Method and apparatus for acquisition, tracking, and transfer using sub-microsecond time transfer using weak GPS/GNSS signals (2012-12-11),

14. 7764227 - Positioning apparatus (2010-07-27),

15. 7408504 - GPS position measuring method and GPS position measuring system (2008-08-05),

Magellan Systems Japan, Inc. is a leading provider of advanced navigation and positioning solutions in Japan. With our cutting-edge technologies and expertise in GPS/GNSS, inertial navigation systems, and mapping software, we develop innovative solutions for various industries including automotive, aerospace, marine, and surveying. Our mission is to deliver precise and reliable positioning solutions that empower our customers to navigate with confidence and enhance their operational efficiency. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#49 in Hyogo

#3,261 in Japan

#36,634 in the World

Magellan Systems Japan, Inc.

Forward Citations = 54

10 inventors:

Lawrence Randolph Weill (6 out of 17 patents)

Nobuhiro Kishimoto (5 out of 7 patents)

Sergey Lyusin (4 out of 5 patents)

4. Seiichiro Hirata (2 out of 17 patents)

5. Toru Kondo (1 out of 1 patent)

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