Granted Patent
Utility
US 5,956,574 · App. 08/808,420
Lead frame flash removing method and apparatus
Inventors:
Seiji Ichikawa, Junichi Tanaka, Tomoaki Hirokawa, Taku Sato, Tomoaki Kimura, Satoshi Murata, Tsutomu Kubota, Takeo Ogihara, Kenji Uchida, Kenji Watanabe, Tsutomu Noguti
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Feb 28, 1997
Inventors
Seiji Ichikawa
Junichi Tanaka
Tomoaki Hirokawa
Taku Sato
Tomoaki Kimura
Satoshi Murata
Tsutomu Kubota
Takeo Ogihara
Kenji Uchida
Kenji Watanabe
Tsutomu Noguti
Assignee (at issue)
NEC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.