For the Inventor, By the Inventor

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Etna Corporation

USPTO Granted Patents = 1

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: Sort by Forward Citations

1. 7024372 - Personnel valuation program (2006-04-04),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#5,742 in Tokyo

#15,559 in Japan

Etna Corporation

Forward Citations = 4

1 inventor:

Seiji Kobayashi (1 out of 230 patents)

Kurt Landsiedel (0 patent)

Stefan Barthel (0 patent)

4. Kai-Uwe Bretschneider (0 patent)

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