Inventor
TODA YUJI
JP10 patents
Patents
10 patentsUS5887069AMar 23, 1999
Sign recognition apparatus and method and sign translation system using same
HITACHI LTD151 citations99
US5544050AAug 6, 1996
Sign language learning system and method
HITACHI LTD152 citations99
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
US5892190AApr 6, 1999
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD49 citations96
US5307903AMay 3, 1994
Method and system of controlling elevators and method and apparatus of inputting requests to the control system
HITACHI LTD54 citations96
US5003616AMar 26, 1991
Image processing apparatus
HITACHI LTD69 citations94
US5402410AMar 28, 1995
High density storage of information on a substrate with multiple depth and height
HITACHI LTD37 citations92
US4982815AJan 8, 1991
Elevator apparatus
HITACHI LTD29 citations92
US5025896AJun 25, 1991
Elevator control apparatus
HITACHI LTD35 citations91