Inventor · Kawasaki, JP

Ryohei GEJO

27Patents

3h-index

23Co-inventors

59Inventor score

Filing activity: Aug 29, 2013 → Feb 3, 2023

Most-cited inventions

Patent	Title	Area	Cited by	Status
US9159722B2	Semiconductor device	Electricity	7	Active
US9761582B2	Semiconductor device and method of manufacturing semiconductor device	Electricity	5	Active
US10297593B2	Semiconductor device	Electricity	4	Active
US10418470B2	Semiconductor device having IGBT portion and diode portion	Electricity	2	Active
US10756181B1	Semiconductor device	Electricity	2	Active
US10727225B2	IGBT semiconductor device	Electricity	2	Active
US9324815B2	Semiconductor device	Electricity	2	Active
US9054066B2	Semiconductor device	Electricity	1	Active
US12107159B2	Semiconductor device	Electricity	0	Active
US11824056B2	Trench gate IGBT with carrier trap under the control electrode	Electricity	0	Active
US11462633B2	Semiconductor device	Electricity	0	Active
US10700184B2	Semiconductor device	Electricity	0	Active
US12278279B2	Semiconductor device	Electricity	0	Active
US11923851B2	Drive device and semiconductor module	Electricity	0	Active
US11777028B2	Semiconductor device	Electricity	0	Active
US10083957B2	Semiconductor device	Electricity	0	Active
US11296076B2	Semiconductor device	Electricity	0	Active
US10636898B2	Semiconductor device	Electricity	0	Active
US11777025B2	Semiconductor device	Electricity	0	Active
US11374563B2	Method for controlling semiconductor device	Electricity	0	Active
US11784246B2	Semiconductor device and semiconductor module	Electricity	0	Active
US11955477B2	Semiconductor device and semiconductor circuit	Electricity	0	Active
US12426326B2	Semiconductor device	Electricity	0	Active
US11563112B2	Method for controlling semiconductor device	Emerging Cross-Sectional Technologies	0	Active
US11837654B2	Method for controlling semiconductor device	Emerging Cross-Sectional Technologies	0	Active

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