Inventor

JOHNSON MARK DAVID

US4 patents

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

SIEMENS INDUSTRY INC

2 patents

US11118658B1Sep 14, 2021

Device and method with multiple torque and speed ranges

SIEMENS INDUSTRY INC6 citations67

US11268714B2Mar 8, 2022

System and method for controlling building fluid distribution

SIEMENS INDUSTRY INC0 citations46

HEWLETT PACKARD DEVELOPMENT CO

1 patent

US7002820B2Feb 21, 2006

Semiconductor storage device

HEWLETT PACKARD DEVELOPMENT CO12 citations82

APPLIED MATERIALS INC

1 patent

US12449327B2Oct 21, 2025

Method and apparatus for lamp housing crack detection

APPLIED MATERIALS INC0 citations51