Inventor · Thousand Oaks, CA, US

Wonill Ha

23Patents
10h-index
30Co-inventors
75Inventor score

Filing activity: Jul 16, 2002 → Oct 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7285807B2 Semiconductor device having substrate-driven field-effect transistor and Schottky diode and method of forming the same Electricity 45 Expired
US7339208B2 Semiconductor device having multiple lateral channels and method of forming the same Electricity 45 Expired
US7462891B2 Semiconductor device having an interconnect with sloped walls and method of forming the same Electricity 36 Expired
US7663183B2 Vertical field-effect transistor and method of forming the same Electricity 34 Active
US7655963B2 Semiconductor device including a lateral field-effect transistor and Schottky diode Electricity 29 Active
US7439557B2 Semiconductor device having a lateral channel and contacts on opposing surfaces thereof Electricity 26 Expired
US7541640B2 Vertical field-effect transistor and method of forming the same Electricity 22 Active
US6798809B1 GaInNAsSb quantum well semiconductor devices Electricity 17 Expired
US8415737B2 Semiconductor device with a pillar region and method of forming the same Electricity 13 Active
US7504673B2 Semiconductor device including a lateral field-effect transistor and Schottky diode Electricity 10 Active
US7564074B2 Semiconductor device including a lateral field-effect transistor and Schottky diode Electricity 9 Active
US7642568B2 Semiconductor device having substrate-driven field-effect transistor and Schottky diode and method of forming the same Electricity 6 Active
US7675090B2 Semiconductor device having a contact on a buffer layer thereof and method of forming the same Electricity 6 Active
US9087854B1 Thermal management for heterogeneously integrated technology Electricity 6 Active
US7838905B2 Semiconductor device having multiple lateral channels and method of forming the same Electricity 6 Active
US9515068B1 Monolithic integration of GaN and InP components Electricity 5 Active
US9530708B1 Flexible electronic circuit and method for manufacturing same Electricity 4 Active
US7645626B2 Multiple GaInNAs quantum wells for high power applications Electricity 2 Active
US9691761B1 Monolithic integration of GaN and InP components Electricity 0 Active
US11823864B1 Embedded high-Z marker material and process for alignment of multilevel ebeam lithography Electricity 0 Active
US12255047B1 Embedded high-z marker material and process for alignment of multilevel ebeam lithography Electricity 0 Active
US12040366B2 Fabricating sub-micron contacts to buried well devices Electricity 0 Active
US10056340B1 Flexible electronic circuit and method for manufacturing same Electricity 0 Active

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