Inventor
SAKIYAMA TOMOKO
US6 patents
Patents
6 patentsUS6477239B1Nov 5, 2002
Sign language telephone device
HITACHI LTD217 citations98
US6181778B1Jan 30, 2001
Chronological telephone system
HITACHI LTD162 citations98
US5953693ASep 14, 1999
Sign language generation apparatus and sign language translation apparatus
HITACHI LTD121 citations98
US5659764AAug 19, 1997
Sign language generation apparatus and sign language translation apparatus
HITACHI LTD140 citations98
US5990878ANov 23, 1999
Sign language editing apparatus
HITACHI LTD94 citations97
US5734923AMar 31, 1998
Apparatus for interactively editing and outputting sign language information using graphical user interface
HITACHI LTD153 citations97