Granted Patent
Utility
US 6,677,951 · App. 09/798,776
Entertainment apparatus having compatibility and computer system
Inventors:
Teiji Yutaka, Masakazu Suzuoki, Yasuyuki Yamamoto, Masayoshi Tanaka, Makoto Furuhashi, Toyoshi Okada, Toru Akazawa
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 2, 2001
Inventors
Teiji Yutaka
Masakazu Suzuoki
Yasuyuki Yamamoto
Masayoshi Tanaka
Makoto Furuhashi
Toyoshi Okada
Toru Akazawa
Assignee (at issue)
SONY COMPUTER ENTERTAINMENT INC.
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.