Inventor

WALLA CRAIG A

US2 patents

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

HITACHI INSTR INC

1 patent

US6570151B1May 27, 2003

Methods and apparatus to control charge neutralization reactions in ion traps

HITACHI INSTR INC46 citations86

HITACHI HIGH TECHNOLOGIES AMER

1 patent

US6674067B2Jan 6, 2004

Methods and apparatus to control charge neutralization reactions in ion traps

HITACHI HIGH TECHNOLOGIES AMER23 citations83