Inventor
KAWATA YOSHIHIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KAWATA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IWATSU ELECTRIC CO LTD
9 patentsUS4583214AApr 15, 1986
Key telephone transmission system
IWATSU ELECTRIC CO LTD51 citations91
US4759040AJul 19, 1988
Digital synchronizing circuit
IWATSU ELECTRIC CO LTD11 citations72
US4905258AFeb 27, 1990
Data circuit-terminating equipment
IWATSU ELECTRIC CO LTD7 citations71
US4815099AMar 21, 1989
Data circuit-terminating equipment
IWATSU ELECTRIC CO LTD7 citations71
US5228035AJul 13, 1993
Synchronizing system in digital communication line
IWATSU ELECTRIC CO LTD17 citations70
US4694470ASep 15, 1987
Data transmission circuit
IWATSU ELECTRIC CO LTD3 citations60
US4592046AMay 27, 1986
Subscriber's circuit for time division switching system
IWATSU ELECTRIC CO LTD3 citations59
US4011546AMar 8, 1977
Display apparatus
IWATSU ELECTRIC CO LTD6 citations58
US5025441AJun 18, 1991
Key telephone system
IWATSU ELECTRIC CO LTD0 citations36