Assignee
SHIROTA RIICHIRO
JP·4 granted patents·17 citations·filing 2009–2019
Top patents by PatentIndex Score
4 records- 0182US8274827B2Memory device and operating method thereofSHIROTA RIICHIRO·Filed 2010·Granted Sep 25, 2012·9 cites·24 claims
- 0270US8223541B2Non-volatile semiconductor memory, and the method thereofSHIROTA RIICHIRO·Filed 2009·Granted Jul 17, 2012·7 cites·8 claims
- 0366US9899507B2Nitride semiconductor transistor deviceSHIROTA RIICHIRO·Filed 2016·Granted Feb 20, 2018·1 cites·16 claims
- 0445US11211464B2Normally-off nitride semiconductor transistor deviceSHIROTA RIICHIRO·Filed 2019·Granted Dec 28, 2021·0 cites·24 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →