IP Library Granted Patent US 6,798,498
Granted Patent Utility
US 6,798,498 · App. 10/050,542

Apparatus for evaluating polysilicon film

Inventors: Hiroyuki Wada, Koichi Tatsuki, Nobuhiko Umezu, Eiji Isomura, Tetsuo Abe, Tadashi Hattori, Akifumi Ooshima, Makoto Uragaki, Yoshiyuki Noguchi, Hiroyuki Tamaki, Masataka Ebe, Tomohiro Ishiguro, Yasuyuki Kato
Patented Case View Patent ↗
Granted: Sep 28, 2004 Filed: Jan 18, 2002
Inventors
Hiroyuki Wada
Koichi Tatsuki
Nobuhiko Umezu
Eiji Isomura
Tetsuo Abe
Tadashi Hattori
Akifumi Ooshima
Makoto Uragaki
Yoshiyuki Noguchi
Hiroyuki Tamaki
Masataka Ebe
Tomohiro Ishiguro
Yasuyuki Kato
Assignees (at issue)
SONY GROUP CORPORATION
Sony Precision Technology Inc.

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Quick Facts
Patent No.
US 6,798,498
App. No.
10/050,542
Filed
2002-01-18
Granted
2004-09-28
Kind
B2