For the Inventor, By the Inventor

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Takachiho Chemical Industrial Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

Tsutomu Nakanoya (1 out of 2 patents)

Maki Egami (1 out of 1 patent)

Ryota Tada (1 out of 1 patent)

4. Masashi Egami (1 out of 1 patent)

5. Ryota Takachiho Chemical Ind COLTD Tada (0 patent)

6. Tsutomu Takachiho Chem Ind Co Ltd Nakanoya (0 patent)

7. Maki Takachiho Chemical Ind Co Ltd Egami (0 patent)

2 patents: Sort by Forward Citations

1. 7632342 - Valve outlet cap for toxic-gas container (2009-12-15),

2. 4262713 - Process for charging and mixing standard gas mixture (1981-04-21),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4,058 in Tokyo

#10,964 in Japan

Takachiho Chemical Industrial Co., Ltd.

Forward Citations = 8

4 inventors:

Tsutomu Nakanoya (1 out of 2 patents)

Maki Egami (1 out of 1 patent)

Ryota Tada (1 out of 1 patent)

4. Masashi Egami (1 out of 1 patent)

5. Ryota Takachiho Chemical Ind COLTD Tada (0 patent)

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