Inventor · Wenatchee, WA, US

Hidetoshi Iwai

36Patents
18h-index
78Co-inventors
80Inventor score

Filing activity: Oct 12, 1988 → Apr 7, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5689465A Semiconductor memory device and defective memory cell correction circuit Physics 87 Expired
US6697992B2 Data storing method of dynamic RAM and semiconductor memory device Physics 84 Expired
US5208782A Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement Electricity 83 Expired
US5629898A Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device Physics 82 Expired
US5910010A Semiconductor integrated circuit device, and process and apparatus for manufacturing the same Electricity 81 Expired
US5287000A Resin-encapsulated semiconductor memory device useful for single in-line packages Electricity 66 Expired
US5485425A Semiconductor memory device having redundant column and operation method thereof Physics 54 Expired
US4934820A Semiconductor device Electricity 38 Expired
US5410507A Special mode control method for dynamic random access memory Physics 38 Expired
US5654577A Semiconductor integrated circuit device Electricity 37 Expired
US7318183B2 Data storing method of dynamic RAM and semiconductor memory device Physics 33 Expired
US7051260B2 Data storing method of dynamic RAM and semiconductor memory device Physics 31 Expired
US5550394A Semiconductor memory device and defective memory cell correction circuit Physics 29 Expired
US5610089A Method of fabrication of semiconductor integrated circuit device Electricity 26 Expired
US5594279A Semiconductor device having shield wiring for noise suppression Electricity 24 Expired
US5276346A Semiconductor integrated circuit device having protective/output elements and internal circuits Electricity 22 Expired
US6078084A Semiconductor integrated circuit device Electricity 20 Expired
US5359561A Semiconductor memory device Physics 18 Expired
US5289416A Semiconductor integrated device and wiring correction arrangement therefor Physics 17 Expired
US5534723A Semiconductor integrated circuit device having output and internal circuit MISFETS Electricity 14 Expired
US5047983A Semiconductor storage device with redundancy arrangement Physics 13 Expired
US5483490A Semiconductor integrated device and wiring correction arrangement therefor Physics 12 Expired
US5565285A Method of making mask pattern data and process for manufacturing the mask Physics 11 Expired
US5426613A Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor Physics 10 Expired
US5805513A Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor Physics 9 Expired

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