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Kanagawa, Japan

Japan Agency for Marine-Earth Science and Technology

USPTO Granted Patents = 73

CIPO Patents = 4

EPO Patents = 38

Forward Citations = 142

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194 inventors (with patents filed for the assignee):

Ikuo Sawada (6 out of 6 patents)

Shigeru Deguchi (6 out of 10 patents)

Takao Sawa (6 out of 6 patents)

4. Keiko Takahashi (5 out of 5 patents)

5. Tomokazu Saruhashi (4 out of 4 patents)

6. Masanori Kyo (4 out of 4 patents)

7. Tetsuya Miwa (4 out of 7 patents)

8. Naoki Nishimura (4 out of 9 patents)

9. Yuji Hatada (4 out of 6 patents)

10. Koki Horikoshi (4 out of 29 patents)

11. Yoshitaka Watanabe (3 out of 49 patents)

12. Masafumi Shimotashiro (3 out of 3 patents)

13. Eigou Miyazaki (3 out of 3 patents)

14. Keita Akiyama (3 out of 3 patents)

15. Hide Sakaguchi (3 out of 5 patents)

Core Competencies:

Optical Communication

Seismic Observation

Underwater Exploration

Resource Estimation

Acoustic Communication

Biological Particle Imaging

Hydrothermal Mineral Recovery

Electric Conductivity Measurement

Aquatic Organism Rearing

Particle Simulation

Drilling Support Systems

Meteorological Simulation

73 patents: Sort by Forward Citations

1. 12392980 - Optical communication device (2025-08-19),

2. 12203859 - Device for detecting contamination with photosynthesis inhibitor and method for detecting contamination with photosynthesis inhibitor (2025-01-21),

3. 12153007 - Measurement cell for electric conductivity measuring instrument, and electric conductivity measuring instrument comprising same (2024-11-26),

4. 12084948 - Method for recovering rare-earth mud, and recovery system (2024-09-10),

5. 12012836 - Water bottom resource collecting system and collecting method (2024-06-18),

6. 11956012 - Fiber branch structure for spatial optical communication and optical communication system equipped with same (2024-04-09),

7. 11929786 - Optical communication device (2024-03-12),

8. 11906678 - Seismic observation device, seismic observation method, and recording medium on which seismic observation program is recorded (2024-02-20),

9. 11891159 - Unmanned watercraft (2024-02-06),

10. 11837331 - Integration system and integration method (2023-12-05),

11. 11835670 - Seismic observation device, seismic observation method, and recording medium in which seismic observation program is recorded (2023-12-05),

12. 11686868 - Earthquake estimation method, non-transitory computer readable medium, and earthquake estimation device (2023-06-27),

13. 11658751 - Underwater optical wireless communication system, underwater optical communication method, and underwater moving body (2023-05-23),

14. 11454075 - Continuous drilling system (2022-09-27),

15. 11448634 - Analysis apparatus, stratum age estimation apparatus, analysis method, stratum age estimation method, and program (2022-09-20),

Japan Agency for Marine-Earth Science and Technology (JAMSTEC) is a leading research institution in Japan, dedicated to studying the oceans and the Earth's interior. They conduct comprehensive research in various scientific fields, including geology, oceanography, marine biology, and environmental studies. JAMSTEC's mission is to contribute to scientific advancements and technological innovations that promote sustainable development and ensure the prosperity of human society. Visit their website for more information and to explore their wide range of research projects and initiatives.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

73 Patents

#42 in Kanagawa

#1,341 in Japan

#9,949 in the World

Kanagawa, Japan

Japan Agency for Marine-Earth Science and Technology

Forward Citations = 142

194 inventors:

Ikuo Sawada (6 out of 6 patents)

Shigeru Deguchi (6 out of 10 patents)

Takao Sawa (6 out of 6 patents)

4. Keiko Takahashi (5 out of 5 patents)

5. Tomokazu Saruhashi (4 out of 4 patents)

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