Inventor
KAI OSAMU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KAI OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAMURA ELECTRIC WORKS LTD
8 patentsUS4951799AAug 28, 1990
Method of correcting coin data and apparatus for inspecting coins
TAMURA ELECTRIC WORKS LTD60 citations95
US4660705AApr 28, 1987
Coin discrimination apparatus
TAMURA ELECTRIC WORKS LTD39 citations92
US4612418ASep 16, 1986
Method for controlling task process and device thereof
TAMURA ELECTRIC WORKS LTD51 citations92
US5033603AJul 23, 1991
Coin diameter discriminating device
TAMURA ELECTRIC WORKS LTD40 citations89
US4995497AFeb 26, 1991
Coin discrimination apparatus
TAMURA ELECTRIC WORKS LTD50 citations89
US4644109AFeb 17, 1987
Alarm information transmission system for coin telephone
TAMURA ELECTRIC WORKS LTD22 citations81
US5381472AJan 10, 1995
Power source control apparatus for telephone set
TAMURA ELECTRIC WORKS LTD12 citations72
US4768217AAug 30, 1988
Public telephone set
TAMURA ELECTRIC WORKS LTD5 citations62