Inventor · Nara, JP

Yasuhiro Hotta

24Patents
13h-index
13Co-inventors
78Inventor score

Filing activity: Feb 20, 1991 → Sep 6, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5619473A Semiconductor memory device with dual address memory read amplifiers Physics 104 Expired
US5268861A Semiconductor read only memory Physics 83 Expired
US5295092A Semiconductor read only memory Electricity 64 Expired
US5148063A Sense amplifier circuit using dummy memory cells Physics 36 Expired
US5748561A Semiconductor memory device with fast successive read operation Physics 36 Expired
US5751657A Semiconductor memory device Physics 34 Expired
US5331594A Semiconductor memory device having word line and bit line test circuits Physics 32 Expired
US5483498A Semiconductor memory device incorporating address change detection circuit for page mode access Physics 28 Expired
US6040999A Semiconductor memory device Physics 27 Expired
US5668772A Semiconductor memory device and access method for the same Physics 18 Expired
US5452258A Semiconductor read only memory Physics 16 Expired
US5790466A Multiple precharging semiconductor memory device Physics 16 Expired
US5341337A Semiconductor read only memory with paralleled selecting transistors for higher speed Electricity 13 Expired
US5852570A Semiconductor memory using select transistors coupled to sub-bitlines from different blocks Electricity 10 Expired
US5280442A Read-only memory Physics 10 Expired
US5394371A Semiconductor memory device with shared sense amplifiers Physics 9 Expired
US6081476A Clock-synchronized read-only memory Physics 8 Expired
US5831930A Semiconductor memory device with address signal transition detection Physics 5 Expired
US5291452A Sensing amplifier circuit for data readout from a semiconductor memory device Physics 5 Expired
US5402387A Semiconductor memory Physics 5 Expired
US5717637A Semiconductor memory device Physics 5 Expired
US6185142A Apparatus for a semiconductor memory with independent reference voltage Physics 3 Expired
US9458939B2 Mechanism for moving circular plate-shaped member Performing Operations; Transporting 2 Active
US9266142B2 Coating device Performing Operations; Transporting 1 Active

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