Inventor
AKATA HIROYUKI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “AKATA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6900927B2May 31, 2005
Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same
HITACHI LTD2 citations61
US6804043B2Oct 12, 2004
Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same
HITACHI LTD2 citations61
US6870983B2Mar 22, 2005
Optical switch, element therefor, and optical switching method
HITACHI LTD2 citations57
US10155916B2Dec 18, 2018
Lubricant for gas insulated switchgear, and gas insulated switchgear
HITACHI LTD0 citations51
US7198390B2Apr 3, 2007
Reflector, projective display and projector
HITACHI LTD1 citations51