Inventor
KUMAZAWA SHOICHIRO
JP7 patents
Patents
7 patentsUS5047998ASep 10, 1991
Timepiece with mobile decorations
SEIKOSHA KK16 citations72
US4995022AFeb 19, 1991
Power supply device for hand with luminescence element
SEIKOSHA KK13 citations71
US4000384ADec 28, 1976
Unlocking mechanism
SEIKOSHA KK9 citations71
USD304163SOct 24, 1989
Electromagnetic bell
SEIKOSHA KK2 citations62
US4912453AMar 27, 1990
Electromagnetic bell unit, its fitting structure and a method of welding the bell and the yoke of the unit
SEIKOSHA KK2 citations60
US4968971ANov 6, 1990
Method of spot welding parts of an electromagnetic bell unit
SEIKOSHA KK1 citations49
US4045950ASep 6, 1977
Control apparatus for an intermittently rotated wheel
SEIKOSHA KK0 citations49