Inventor

YANAGISAWA TAKAO

JP6 patents

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

HAKKOL CHEMICAL CO LTD

4 patents

US6140477AOct 31, 2000

Near-infrared ray absorbing polyazo compound

HAKKOL CHEMICAL CO LTD18 citations87

US6488867B1Dec 3, 2002

Organic fluorescent whitening pigment composition having an excellent hiding power

HAKKOL CHEMICAL CO LTD19 citations79

US5606055AFeb 25, 1997

Organic white pigment

HAKKOL CHEMICAL CO LTD8 citations70

US5514213AMay 7, 1996

Organic white pigment

HAKKOL CHEMICAL CO LTD6 citations70

HITACHI LTD

1 patent

US9312669B2Apr 12, 2016

Resistor, method of assembling the same, and switchgear

HITACHI LTD0 citations48

SHOWA KAGAKU KOGYO COMPANY LTD

1 patent

US4371475AFeb 1, 1983

1,4-Bis-styryl-benzene derivatives and a process for the preparation of the same

SHOWA KAGAKU KOGYO COMPANY LTD5 citations48