Inventor

ITO IKO

JP6 patents

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

SUMITOMO CHEMICAL CO

3 patents

US4785053ANov 15, 1988

Optical resin material having improved birefringence

SUMITOMO CHEMICAL CO23 citations79

US4468508AAug 28, 1984

Glycidyl ether of novolak type substituted phenolic resin, process for producing the same, and encapsulating compound composed mainly of the same

SUMITOMO CHEMICAL CO10 citations73

US4876371AOct 24, 1989

Process of producing glycidyl ethers of monohydric or polyhydric phenols

SUMITOMO CHEMICAL CO6 citations62

CANON KK

2 patents

US7160968B2Jan 9, 2007

Phosphoric acid group-containing polymer electrolyte (composite) membrane and its production method

CANON KK6 citations59

US7642295B2Jan 5, 2010

Electrolyte membrane of siloxane-based polymer and solid polymer fuel cell utilizing the same

CANON KK0 citations51

YAMAMOTO MASAYUKI

1 patent

US5300246AApr 5, 1994

Salty water absorbing composition, salty water ice pack, and salty water absorbing pack

YAMAMOTO MASAYUKI12 citations70