Granted Patent
Utility
US 6,726,375 · App. 10/219,268
Optical module, method for manufacturing optical module and optical communication apparatus
Inventors:
Takeshil Kato, Koji Yoshida, Toshinori Hirataka, Toshiaki Ishii, Kazuyuki Fukuda, Tadaaki Ishikawa, Toshimasa Miura, Tsutomu Kono, Kimio Tatsuno
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 16, 2002
Inventors
Takeshil Kato
Koji Yoshida
Toshinori Hirataka
Toshiaki Ishii
Kazuyuki Fukuda
Tadaaki Ishikawa
Toshimasa Miura
Tsutomu Kono
Kimio Tatsuno
Assignee (at issue)
HITACHI, LTD.
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.