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Nanwa Quartz, Inc.

USPTO Granted Patents = 1

Forward Citations = 20

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4 inventors (with patents filed for the assignee):

Kazuhiro Akiho (1 out of 1 patent)

Masaki Kusuhara (1 out of 1 patent)

Tomoyasu Uno (1 out of 1 patent)

4. Hiroyuki Watanabe (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 6553787 - Method for manufacturing quartz glass crucible (2003-04-29),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5,734 in Tokyo

#15,549 in Japan

Nanwa Quartz, Inc.

Forward Citations = 20

4 inventors:

Kazuhiro Akiho (1 out of 1 patent)

Masaki Kusuhara (1 out of 1 patent)

Tomoyasu Uno (1 out of 1 patent)

4. Hiroyuki Watanabe (1 out of 6 patents)

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