Inventor
YACHIDA YOICHI
JP4 patents
Patents
4 patentsUS4509044AApr 2, 1985
Device which accurately displays changes in a quantity to be measured
JAPAN ENGINE VALVE MFG30 citations88
US4648104AMar 3, 1987
Pulse counting and pulse rate indicating device responsive to abrupt pulse rate change to accurately indicate current rate
JAPAN ENGINE VALVE MFG9 citations68
US4614114ASep 30, 1986
Measuring device
JAPAN ENGINE VALVE MFG10 citations66
US4736185AApr 5, 1988
Digital display apparatus
JAPAN ENGINE VALVE MFG2 citations55