Inventor
AKETA MASATOSHI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “AKETA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
43 patentsUS10056502B2Aug 21, 2018
Semiconductor device
ROHM CO LTD8 citations92
US11069771B2Jul 20, 2021
Semiconductor device
ROHM CO LTD11 citations84
US9252210B2Feb 2, 2016
Semiconductor device
ROHM CO LTD8 citations84
US11355651B2Jun 7, 2022
Semiconductor device
ROHM CO LTD3 citations83
US11264280B2Mar 1, 2022
Semiconductor device manufacturing method and wafer-attached structure
ROHM CO LTD5 citations83
US10964825B2Mar 30, 2021
Semiconductor device
ROHM CO LTD3 citations83
US11605707B2Mar 14, 2023
Semiconductor device
ROHM CO LTD4 citations73
US9685503B2Jun 20, 2017
Semiconductor device
ROHM CO LTD2 citations73
US11664465B2May 30, 2023
Semiconductor device
ROHM CO LTD1 citations72
US11088272B2Aug 10, 2021
Semiconductor device
ROHM CO LTD3 citations72
US10833166B2Nov 10, 2020
Semiconductor device including an MIS structure
ROHM CO LTD2 citations72
US10497816B2Dec 3, 2019
Semiconductor device
ROHM CO LTD1 citations72
US10062760B2Aug 28, 2018
Semiconductor device
ROHM CO LTD2 citations72
US9577118B2Feb 21, 2017
Semiconductor device
ROHM CO LTD2 citations72
US9548353B2Jan 17, 2017
Wide band-gap semiconductor device including schotky electrode and method for producing same
ROHM CO LTD3 citations72
US9478673B2Oct 25, 2016
Semiconductor device with trench structure and manufacturing method thereof
ROHM CO LTD5 citations72
US12283627B2Apr 22, 2025
Semiconductor device having a gate insulating layer
ROHM CO LTD0 citations62
US12148667B2Nov 19, 2024
Semiconductor device manufacturing method and wafer-attached structure
ROHM CO LTD0 citations62
US12062726B2Aug 13, 2024
Semiconductor device
ROHM CO LTD0 citations62
US12051662B2Jul 30, 2024
Electronic component and semiconductor device
ROHM CO LTD0 citations62
US11996449B2May 28, 2024
Semiconductor device with carbon-density-decreasing region
ROHM CO LTD0 citations62
US11749749B2Sep 5, 2023
Semiconductor device
ROHM CO LTD1 citations62
US11742243B2Aug 29, 2023
Semiconductor device manufacturing method and wafer-attached structure
ROHM CO LTD0 citations62
US11502172B2Nov 15, 2022
Semiconductor device with carbon-density-decreasing region
ROHM CO LTD0 citations62
US11239189B2Feb 1, 2022
Electronic component and semiconductor device
ROHM CO LTD0 citations62
US9818886B2Nov 14, 2017
Semiconductor device
ROHM CO LTD1 citations62
US9472688B2Oct 18, 2016
Semiconductor device
ROHM CO LTD2 citations62
US10892319B2Jan 12, 2021
Semiconductor device
ROHM CO LTD0 citations61
US10784349B2Sep 22, 2020
Semiconductor device
ROHM CO LTD1 citations61
US10366905B2Jul 30, 2019
Semiconductor device
ROHM CO LTD1 citations61
US10692861B2Jun 23, 2020
Method of manufacturing a semiconductor device
ROHM CO LTD0 citations52
US10461077B2Oct 29, 2019
Method of manufacturing a semiconductor device
ROHM CO LTD0 citations52
US10192865B2Jan 29, 2019
Method of manufacturing a semiconductor device
ROHM CO LTD0 citations52
US9620588B2Apr 11, 2017
Semiconductor device
ROHM CO LTD0 citations52
US12027579B2Jul 2, 2024
Semiconductor device having a carrier trapping region including crystal defects
ROHM CO LTD0 citations51
US10923562B2Feb 16, 2021
Semiconductor device, and method for manufacturing semicondcutor device
ROHM CO LTD0 citations51
US10832922B2Nov 10, 2020
Semiconductor device
ROHM CO LTD0 citations51
US10665728B2May 26, 2020
Semiconductor device
ROHM CO LTD0 citations51
US10109749B2Oct 23, 2018
Semiconductor device and semiconductor device manufacturing method
ROHM CO LTD0 citations51
US9876124B2Jan 23, 2018
Semiconductor device and semiconductor device manufacturing method
ROHM CO LTD0 citations51
US12477788B2Nov 18, 2025
Semiconductor device
ROHM CO LTD0 citations50
US12080760B2Sep 3, 2024
SiC semiconductor device
ROHM CO LTD0 citations46
US10804388B2Oct 13, 2020
Semiconductor device
ROHM CO LTD0 citations39
AKETA MASATOSHI
4 patentsUS8633560B2Jan 21, 2014
Semiconductor device
AKETA MASATOSHI32 citations93
US9111852B2Aug 18, 2015
Semiconductor device
AKETA MASATOSHI16 citations91
US9419117B2Aug 16, 2016
Semiconductor device, and manufacturing method for same
AKETA MASATOSHI11 citations83
US9111769B2Aug 18, 2015
Semiconductor device and method for producing same
AKETA MASATOSHI3 citations61