Inventor
ISHII TADASHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ISHII TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBISHI ELECTRIC CO LTD
12 patentsUS4366472ADec 28, 1982
Motor actuated bell assembly
KOBISHI ELECTRIC CO LTD9 citations73
US4742328AMay 3, 1988
Audio and visual alarm device
KOBISHI ELECTRIC CO LTD16 citations72
US4380758AApr 19, 1983
Motor actuated bell
KOBISHI ELECTRIC CO LTD2 citations62
US4368458AJan 11, 1983
Motor actuated bell
KOBISHI ELECTRIC CO LTD6 citations62
US4360800ANov 23, 1982
Gong striking mechanism
KOBISHI ELECTRIC CO LTD5 citations62
US4329680AMay 11, 1982
Double gong bell
KOBISHI ELECTRIC CO LTD4 citations62
US4306227ADec 15, 1981
Motor actuated bell
KOBISHI ELECTRIC CO LTD3 citations62
US4300128ANov 10, 1981
Motor actuated bell
KOBISHI ELECTRIC CO LTD2 citations62
US4286259AAug 25, 1981
Electrically operated bell
KOBISHI ELECTRIC CO LTD5 citations62
US4692741ASep 8, 1987
Motor actuated buzzer assembly with a plurality of leaf springs of different frequencies
KOBISHI ELECTRIC CO LTD3 citations60
US4310834AJan 12, 1982
Motor actuated bell
KOBISHI ELECTRIC CO LTD1 citations51
US4308529ADec 29, 1981
Motor actuated bell
KOBISHI ELECTRIC CO LTD0 citations51