Inventor
YOKOYAMA KIYOKO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA KIYOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TS TECH CO LTD
3 patentsUS9693726B2Jul 4, 2017
Alertness device, seat, and method for determining alertness
TS TECH CO LTD3 citations69
US9815384B2Nov 14, 2017
Wakefulness-maintenance apparatus
TS TECH CO LTD4 citations68
US10098578B2Oct 16, 2018
Alertness device, seat, and method for determining alertness
TS TECH CO LTD0 citations38