Inventor
KOYAMA SEIJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
3 patentsUS5703582ADec 30, 1997
DAC with feedback control for current source bias during non-display period
IBM59 citations92
US7480141B2Jan 20, 2009
Electronic device for cooling interior of housing
IBM17 citations91
US7301767B2Nov 27, 2007
Electronic equipment including an apparatus for cooling interior of housing
IBM44 citations91