Inventor · Tokyo, JP

Kenichi Imamiya

163Patents
25h-index
34Co-inventors
90Inventor score

Filing activity: Sep 29, 1993 → Jun 23, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6907497B2 Non-volatile semiconductor memory device Physics 153 Expired
US6486729B2 Potential detector and semiconductor integrated circuit Physics 99 Expired
US6097666A Nonvolatile semiconductor memory device whose addresses are selected in a multiple access Physics 98 Expired
US6879520B2 Non-volatile semiconductor memory device and electric device with the same Physics 98 Expired
US6353242B1 Nonvolatile semiconductor memory Electricity 79 Expired
US6937510B2 Non-volatile semiconductor memory Physics 79 Expired
US6999344B2 Non-volatile semiconductor memory device and electric device with the same Physics 75 Expired
US7253676B2 Semiconductor device and driving method of semiconductor device Electricity 64 Expired
US6731538B2 Semiconductor memory device including page latch circuit Physics 63 Expired
US6462985B2 Non-volatile semiconductor memory for storing initially-setting data Physics 60 Expired
US6031760A Semiconductor memory device and method of programming the same Physics 58 Expired
US5388084A Non-volatile semiconductor memory device with high voltage generator Physics 57 Expired
US6373748B1 Nonvolatile semiconductor memory Physics 55 Expired
US6522583B2 Nonvolatile semiconductor memory Physics 49 Expired
US6791175B2 Stacked type semiconductor device Electricity 48 Expired
US6438038B1 Read circuit of nonvolatile semiconductor memory Physics 48 Expired
US6798697B2 Non-volatile semiconductor memory device Physics 46 Expired
US7009878B2 Data reprogramming/retrieval circuit for temporarily storing programmed/retrieved data for caching and multilevel logical functions in an EEPROM Physics 42 Expired
US6903981B2 Non-volatile semiconductor memory device, method for sub-block erase and electric device with the same Physics 41 Expired
US6621735B2 Semiconductor memory device using only single-channel transistor to apply voltage to selected word line Electricity 38 Expired
US7038946B2 Non-volatile semiconductor memory device Physics 36 Expired
US6031764A Nonvolatile semiconductor memory device Physics 32 Expired
US6469573B2 Semiconductor integrated circuit Physics 30 Expired
US6330189A Nonvolatile semiconductor memory device Physics 28 Expired
US6826116B2 Semiconductor memory device including page latch circuit Physics 28 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.