Inventor

HAYAKAWA SEIICHIROU

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HAYAKAWA SEIICHIROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SYNTHETIC CHEM IND

1 patent

US7674518B2Mar 9, 2010

Polyvinyl alcohol film and polarizing film and polarizing plate using the same

NIPPON SYNTHETIC CHEM IND13 citations74

TATSUMI RYOUTA

1 patent

US8722243B2May 13, 2014

Material for use as electrolyte, lithium secondary battery electrolyte, lithium secondary battery employing the same, and novel lithium salt

TATSUMI RYOUTA1 citations39

OONO HIDEKI

1 patent

US9085664B2Jul 21, 2015

Polyvinyl alcohol film, and polarizing film and polarizing plate using the same

OONO HIDEKI0 citations38