Inventor

WILLIAMS RICHARD K

US305 patents

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

WILLIAMS RICHARD K

SILICONIX INC

Trench-gated MOSFET with integral temperature detection diode

Multiple gated MOSFET for use in DC-DC converter

Three-terminal power MOSFET switch for use as synchronous rectifier or voltage clamp

Trench MOSFET with multi-resistivity drain to provide low on-resistance

Vertical power MOSFET having reduced sensitivity to variations in thickness of epitaxial layer

Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp

High density trenched DMOS transistor

Four-terminal power MOSFET switch having reduced threshold voltage and on-resistance

Method of making lightly-doped drain DMOS with improved breakdown characteristics

Isolated DMOS IC technology

BICDMOS structures

Lightly-doped drain MOSFET with improved breakdown characteristics

Method for forming a BiCDMOS

Complementary, isolated DMOS IC technology

Low resistance power MOSFET or other device containing silicon-germanium layer

Vertical trench-gated power MOSFET having stripe geometry and high cell density

Power MOSFET having voltage-clamped gate

Trench-gated power MOSFET with protective diode

Bidirectional trench gated power mosfet with submerged body bus extending underneath gate trench

Vertical power MOSFET having thick metal layer to reduce distributed resistance

Electrostatic discharge protection circuit

Trench-gated MOSFET with bidirectional voltage clamping

Trench-gated power MOSFET with protective diode having adjustable breakdown voltage

Trench-gated power MOSFET with protective diode

Safety switch for lithium ion battery

Laternal power mosfet having metal strap layer to reduce distributed resistance

Vertical power mosfet having thick metal layer to reduce distributed resistance

Multiple gated MOSFET for use in DC-DC converter

Pseudo-Schottky diode

Pseudo-Schottky diode

Electrostatic discharge protection device for integrated circuit

Floating drive technique for reverse battery protection

ADVANCED ANALOGIC TECH INC

High-efficiency DC/DC voltage converter including capacitive switching pre-converter and up inductive switching post-regulator

High-efficiency DC/DC voltage converter including up inductive switching pre-regulator and capacitive switching post-converter

High-efficiency DC/DC voltage converter including down inductive switching pre-regulator and capacitive switching post-converter

High-efficiency DC/DC voltage converter including capacitive switching pre-converter and down inductive switching post-regulator

Isolated complementary MOS devices in epi-less substrate

Trench power MOSFET with planarized gate bus

Modular bipolar-CMOS-DMOS analog integrated circuit &amp; power transistor technology

Super-self-aligned fabrication process of trench-gate DMOS with overlying device layer

Process of manufacturing Trench gate semiconductor device having gate oxide layer with multiple thicknesses

Boost and up-down switching regulator with synchronous freewheeling MOSFET

Cascode current sensor for discrete power semiconductor devices

High-voltage lateral DMOS device with diode clamp

High-voltage depletion mode MOSFET

Complementary analog bipolar transistors with trench-constrained isolation diffusion

High-voltage lateral DMOS device

High-voltage extended drain MOSFET

WILLIAMS RICHARD K

Method of sensing magnitude of current through semiconductor power device

(unassigned)

Symmetrical package for semiconductor die

Modular bipolar-CMOS-DMOS analog integrated circuit & power transistor technology