Inventor

CHANG MICHAEL A

US2 patents

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

ACMED INC

1 patent

US6631990B2Oct 14, 2003

System for measuring distances in the anterior chamber of the eye

ACMED INC24 citations77

IBM

1 patent

US9940359B2Apr 10, 2018

Data-partitioned secondary index (DPSI) partition level join

IBM0 citations38