EPO Patents = 4

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

Hiroshi Yasuda (4 out of 149 patents)

Yoshihisa Ooae (1 out of 19 patents)

Tatsuya Shibaoka (1 out of 1 patent)

4. Hidekazu Murata (1 out of 3 patents)

5. Yasuda Hiroshi (0 patent)

4 patents: Sort by Forward Citations

1. 11295925 - Electron gun device (2022-04-05),

2. 9418815 - Tubular permanent magnet used in a multi-electron beam device (2016-08-16),

3. 9070527 - Electron gun and electron beam device (2015-06-30),

4. 8878143 - Electron beam lithography device and lithographic method (2014-11-04),

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This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

#2,785 in Tokyo

#7,412 in Japan

Tokyo, Japan

Param Corporation