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Magellan Systems Japan, Inc.

USPTO Granted Patents = 16

% Expired Patents = 12.5

EPO Patents = 5

Forward Citations = 60

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9 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),

Company Overview

Magellan Systems Japan, Inc. is a prominent player in the field of advanced positioning and navigation technologies. The company specializes in the development and manufacturing of high-precision GPS and GNSS solutions, catering to various industries including automotive, aerospace, and telecommunications. With a strong focus on innovation, Magellan Systems leverages cutting-edge research to enhance location-based services and improve navigation accuracy, contributing significantly to the advancement of smart mobility and geospatial applications in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#52 in Hyogo

#3,339 in Japan

#37,788 in the World

Magellan Systems Japan, Inc.

Forward Citations = 60

9 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Magellan Systems Japan, Inc.. Retrieved from https://idiyas.com/company/magellan-systems-japan

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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