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USPTO Data Jan 1 1976 - Sep 15 2026
1 Patents
#6,196 in Tokyo
#15,982 in Japan
Etna Corporation
Forward Citations = 4
1 inventor:
Etna Corporation
% Expired Patents = 100.0
EPO Patents = 2
Trademarks = 1
Forward Citations = 4
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1 inventor (with patents filed for the assignee):
Seiji Kobayashi (1 out of 230 patents)
Kurt Landsiedel (0 patent)
Stefan Barthel (0 patent)
4. Kai-Uwe Bretschneider (0 patent)
1 patent:
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Please report any incorrect information to [email protected]
2 patents (EPO):
Please report any incorrect information to [email protected]