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For the Inventor, By the Inventor

Tokyo, Japan

Eko Instruments Trading Co., Ltd.


USPTO Granted Patents = 3

Forward Citations = 32

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9 inventors (with patents filed for the assignee):

goldMedal Masato Hayashi (1 out of 31 patents)

silverMedal Reishi Naka (1 out of 3 patents)

bronzeMedal Tomohiro Koyama (1 out of 1 patent)

4.  Toshikazu Hasegawa (1 out of 1 patent)

5.  Takeshi Aoshima (1 out of 1 patent)

6.  Tadashi Kobayashi (1 out of 1 patent)

7.  Kazuo Eguchi (1 out of 1 patent)

8.  Yukiharu Miyake (1 out of 1 patent)

9.  Tozawa Hiroyuki (1 out of 1 patent)


3 patents:

1. 6991366 - Thermal conductivity measurement method and instrument and method of producing a heat insulating material (2006-01-31),
2. 4719344 - Method of and apparatus for measuring amount of solar radiation received (1988-01-12),
3. 4343960 - Thermopile and process for manufacturing same (1982-08-10),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

...
Tokyo, Japan

Eko Instruments Trading Co., Ltd.

Forward Citations = 32

9 inventors:

goldMedal Masato Hayashi (1 out of 31 patents)

silverMedal Reishi Naka (1 out of 3 patents)

bronzeMedal Tomohiro Koyama (1 out of 1 patent)

4.  Toshikazu Hasegawa (1 out of 1 patent)

5.  Takeshi Aoshima (1 out of 1 patent)

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