Inventor · Kasai, JP

Tomohide Terashima

88Patents
15h-index
21Co-inventors
84Inventor score

Filing activity: Aug 1, 1989 → Nov 4, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5541430A VDMOS semiconductor device Electricity 33 Expired
US5889310A Semiconductor device with high breakdown voltage island region Electricity 32 Expired
US5894156A Semiconductor device having a high breakdown voltage isolation region Emerging Cross-Sectional Technologies 27 Expired
US6642599B1 Semiconductor device and method of manufacturing the same Electricity 25 Expired
US5204545A Structure for preventing field concentration in semiconductor device and method of forming the same Electricity 25 Expired
US5731628A Semiconductor device having element with high breakdown voltage Electricity 25 Expired
US5164804A Semiconductor device having high breakdown voltage and low resistance and method of fabricating the same Emerging Cross-Sectional Technologies 23 Expired
US6515349B2 Semiconductor device and process for the same Electricity 21 Expired
US6359318B1 Semiconductor device with DMOS and bi-polar transistors Electricity 19 Expired
US6376891B1 High voltage breakdown isolation semiconductor device and manufacturing process for making the device Electricity 19 Expired
US5155569A Thyristor device with improved turn-off characteristics Electricity 17 Expired
US6586780B1 Semiconductor device for supplying output voltage according to high power supply voltage Electricity 16 Expired
US5495124A Semiconductor device with increased breakdown voltage Electricity 16 Expired
US5485030A Dielectric element isolated semiconductor device and a method of manufacturing the same Emerging Cross-Sectional Technologies 16 Expired
US5334546A Method of forming a semiconductor device which prevents field concentration Electricity 16 Expired
US5428241A High breakdown voltage type semiconductor device Electricity 15 Expired
US5372954A Method of fabricating an insulated gate bipolar transistor Emerging Cross-Sectional Technologies 15 Expired
US5091766A Thyristor with first and second independent control electrodes Electricity 13 Expired
US5455439A Semiconductor device which moderates electric field concentration caused by a conductive film formed on a surface thereof Electricity 13 Expired
US5360746A Method of fabricating a semiconductor device Emerging Cross-Sectional Technologies 13 Expired
US6191466A Semiconductor device containing a diode Electricity 11 Expired
US5289019A Insulated gate bipolar transistor Emerging Cross-Sectional Technologies 11 Expired
US5194394A Thyristor and method of manufacturing the same Emerging Cross-Sectional Technologies 10 Expired
US5561077A Dielectric element isolated semiconductor device and a method of manufacturing the same Emerging Cross-Sectional Technologies 10 Expired
US5293056A Semiconductor device with high off-breakdown-voltage and low on resistance Emerging Cross-Sectional Technologies 9 Expired

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