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SAKAI AKIRA

Overview
  • Total Patents
    31
About

SAKAI AKIRA has a total of 31 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States, Japan and Australia. Its main competitors in its focus markets optics, machines and audio-visual technology are TIANJIN LINGXIN TECH DEVELOPMENT CO LTD, SDL INTEGRATED OPTICS LTD and CHI MEI MATERIALS TECHNOLOGY CORP.

Patent filings per year

Chart showing SAKAI AKIRAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sakai Akira 31
#2 Sakuragi Kazuyoshi 5
#3 Hasegawa Masahiro 4
#4 Tsuda Kazuhiko 1
#5 Ninomiya Ikuo 1
#6 Nakayama Tomonari 1
#7 Makino Kenji 1
#8 Nakayama Masaaki 1

Latest patents

Publication Filing date Title
JP2014090889A Dialyzer
JP2014030572A Carcinostatic administration device
US2012207973A1 Optical member, method of manufacturing the same, and optical system using the same
US2013076997A1 Active shutter glasses, passive glasses, and stereoscopic image projection system
US2012206665A1 Three-dimensional video recognition system, video display device and active shutter glasses
US2012120349A1 Liquid crystal display device
US2011025966A1 Liquid crystal display device with quarter plates and birefringent layers and liquid crystal having substantially vertical alignments in black state
US2010289988A1 Liquid crystal display device having first and second birefringent layers and first and second quarter-wave plates
US2010271573A1 Liquid crystal display device having first and second polarizers and first and second birefringent layers
JP2010011740A Semi-automatic fermented soybean stirrer
JP2006221130A Rim of eyeglasses
JP2004283571A Method for preparing peritoneal dialysate solution by tripartite method
JP2004121445A Oxidation stress eliminating material, dialyzing liquid circulating circuit having the same and oxidation stress eliminating method
JP2000107286A Perfusion apparatus for peritoneal dialyzate and perfusion method