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Sumihisa Masuda

USPTO Granted Patents = 5

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 4(Granted Patents)

Location History:

Tokyo, JP (2014 - 2015)
Minato-ku, JP (2017)
Saga, JP (2017)

Company Filing History:

Sumco Corporation

Years Active: 2014-2025

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12406863 - Wafer separation apparatus and method, and method for manufacturing silicon wafer (2025-09-02),

2. 9685315 - Method of producing epitaxial wafer and the epitaxial wafer having a highly flat rear surface (2017-06-20),

3. 9631297 - Method of producing epitaxial silicon wafer and epitaxial silicon wafer (2017-04-25),

4. 8952496 - Semiconductor wafer and method of producing same (2015-02-10),

5. 8772177 - Semiconductor wafer and method of producing the same (2014-07-08),

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