Inventor
HAMAGUCHI MASANAO
JP6 patents
Patents
6 patentsUS6060863AMay 9, 2000
Charge and discharge control circuit and chargeable power supply unit
SEIKO INSTR INC20 citations92
US5780904AJul 14, 1998
Semiconductor integrated circuit device for obtaining extremely small constant current and timer circuit using constant current circuit
SEIKO INSTR INC19 citations91
US6052016AApr 18, 2000
Charge and discharge control circuit
SEIKO INSTR INC23 citations90
US5959437ASep 28, 1999
Charge and discharge control circuit
SEIKO INSTR INC22 citations90
US6351163B1Feb 26, 2002
Reset circuit
SEIKO INSTR INC9 citations71
US5825695AOct 20, 1998
Semiconductor device for reference voltage
SEIKO INSTR INC16 citations71