Granted Patent
Utility
US 5,983,290 · App. 08/862,700
Information processing system using portable terminal unit and data communication adapter therefor
Inventors:
Takao Obata, Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto, Makoto Sato, Akira Okawado, Shinichiro Tsurumaru, Maki Miyata, Toshiyuki Kobayashi, Nobuaki Akasawa, Masahiko Okano, Takao Miyanaga
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: May 23, 1997
Inventors
Takao Obata
Mitsuaki Kumagai
Akihiko Iura
Akio Murata
Shinji Yamamoto
Makoto Sato
Akira Okawado
Shinichiro Tsurumaru
Maki Miyata
Toshiyuki Kobayashi
Nobuaki Akasawa
Masahiko Okano
Takao Miyanaga
Assignee (at issue)
Fujitsu Limited
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.