Inventor
SAKAGUCHI YOSHIMITSU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “SAKAGUCHI YOSHIMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO BOSEKI
7 patentsUS7288603B2Oct 30, 2007
Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly
TOYO BOSEKI22 citations91
US7754844B2Jul 13, 2010
Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those
TOYO BOSEKI24 citations90
US7649025B2Jan 19, 2010
Composite ion-exchange membrane
TOYO BOSEKI40 citations90
US6689437B1Feb 10, 2004
Oxygen-absorbing material
TOYO BOSEKI49 citations89
US7537852B2May 26, 2009
Composite ion exchange membrane and electrolyte membrane electrode assembly
TOYO BOSEKI8 citations81
US5171506ADec 15, 1992
Process for producing polyester fibers
TOYO BOSEKI3 citations61
US6673445B2Jan 6, 2004
Polybenzazole fibers and their utilization
TOYO BOSEKI1 citations50
YAMASHITA MASAHIRO
2 patentsUS8187734B2May 29, 2012
Proton-conducting polymer composition and method for preparation thereof, catalyst ink containing said proton-conducting polymer composition and fuel cell including said catalyst ink
YAMASHITA MASAHIRO2 citations60
US8216727B2Jul 10, 2012
Aromatic hydrocarbon based proton exchange membrane and direct methanol fuel cell using same
YAMASHITA MASAHIRO0 citations50