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Eko Instruments Co., Ltd.

USPTO Granted Patents = 10

EPO Patents = 1

Forward Citations = 13

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15 inventors (with patents filed for the assignee):

Toshikazu Hasegawa (10 out of 12 patents)

Naoto Shimada (3 out of 21 patents)

Makoto Tsukamoto (3 out of 5 patents)

4. Masanori Yabuki (3 out of 3 patents)

5. Eiji Takeuchi (3 out of 5 patents)

6. Isamu Chiba (2 out of 16 patents)

7. Akihito Akiyama (2 out of 2 patents)

8. Yukihiro Goto (1 out of 11 patents)

9. Masayuki Yamada (1 out of 148 patents)

10. Satoshi Nishikawa (1 out of 136 patents)

11. Takao Kobayashi (1 out of 4 patents)

12. Kiyotaka Uchida (1 out of 2 patents)

13. Dengxin Hua (1 out of 1 patent)

14. Mario Po (1 out of 1 patent)

15. Kees Hoogendijk (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 12399125 - Optical receiver for meteorological lidar (2025-08-26),

2. 12203806 - Sunshine recorder and sunshine measurement method (2025-01-21),

3. 12140700 - Meteorological lidar (2024-11-12),

4. 11821786 - Pyranometer (2023-11-21),

5. 11650323 - Meteorological lidar (2023-05-16),

6. 11193901 - Thermal conductivity measuring device, thermal conductivity measuring method and vacuum evaluation device (2021-12-07),

7. D855481 - Pyranometer (2019-08-06),

8. 10048122 - Pyranometer (2018-08-14),

9. 9909919 - Pyranometer (2018-03-06),

10. 7227625 - Meteorological observation LIDAR system (2007-06-05),

Eko Instruments Co., Ltd. is a leading manufacturer and supplier of solar radiation instruments, environmental monitoring systems, and spectral mapping equipment. With over 90 years of experience, the company is known for its high-quality products and cutting-edge technology. Eko Instruments is committed to providing innovative solutions for sustainable development and environmental protection.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

10 Patents

#1,690 in Tokyo

#4,282 in Japan

#54,212 in the World

Eko Instruments Co., Ltd.

Forward Citations = 13

15 inventors:

Toshikazu Hasegawa (10 out of 12 patents)

Naoto Shimada (3 out of 21 patents)

Makoto Tsukamoto (3 out of 5 patents)

4. Masanori Yabuki (3 out of 3 patents)

5. Eiji Takeuchi (3 out of 5 patents)

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