Inventor

POWELL ADRIAN R

US8 patents

⚠️ This page may combine multiple inventors who share the name “POWELL ADRIAN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WOLFSPEED INC

3 patents

US12054850B2Aug 6, 2024

Large diameter silicon carbide wafers

WOLFSPEED INC5 citations81

US12125701B2Oct 22, 2024

Large dimension silicon carbide single crystalline materials with reduced crystallographic stress

WOLFSPEED INC2 citations67

US12473661B2Nov 18, 2025

Large diameter silicon carbide wafers

WOLFSPEED INC0 citations58

IBM

2 patents

US5461243AOct 24, 1995

Substrate for tensilely strained semiconductor

IBM387 citations97

US5759898AJun 2, 1998

Production of substrate for tensilely strained semiconductor

IBM321 citations94

BASCERI CEM

2 patents

US9099377B2Aug 4, 2015

Micropipe-free silicon carbide and related method of manufacture

BASCERI CEM13 citations80

US8410488B2Apr 2, 2013

Micropipe-free silicon carbide and related method of manufacture

BASCERI CEM11 citations80

(unassigned)

1 patent

US5563428AOct 8, 1996

Layered structure of a substrate, a dielectric layer and a single crystal layer