P

Inventor

OGUCHI TAKAHISA

JP24 patents
⚠️ This page may combine multiple inventors who share the name “OGUCHI TAKAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

22 patents
US5380842AJan 10, 1995

Phthalocyanine compounds and usage thereof

MITSUI TOATSU CHEMICALS28 citations92
US5124067AJun 23, 1992

Near infrared absorbers and display/recording materials using the same

MITSUI TOATSU CHEMICALS32 citations92
US5024926AJun 18, 1991

Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same

MITSUI TOATSU CHEMICALS39 citations92
US4960538AOct 2, 1990

1,2-naphthalocyanine near-infrared absorbent and recording/display materials using same

MITSUI TOATSU CHEMICALS24 citations92
US5538985AJul 23, 1996

Pyrrolidinone derivatives

MITSUI TOATSU CHEMICALS22 citations89
US5296162AMar 22, 1994

Near infrared absorbers and display/recording materials using the same

MITSUI TOATSU CHEMICALS14 citations81
US5695911ADec 9, 1997

Optical recording medium

MITSUI TOATSU CHEMICALS7 citations74
US5446141AAug 29, 1995

Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same

MITSUI TOATSU CHEMICALS9 citations74
US5358833AOct 25, 1994

Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same

MITSUI TOATSU CHEMICALS11 citations74
US5350843ASep 27, 1994

Halogenated phthalocyanine compound, method for preparing same

MITSUI TOATSU CHEMICALS9 citations74
US5280114AJan 18, 1994

Halogenation of alkoxyphthalocyanine

MITSUI TOATSU CHEMICALS11 citations74
US4970021ANov 13, 1990

Phthalocyanine compounds and utility thereof

MITSUI TOATSU CHEMICALS9 citations74
US5449587ASep 12, 1995

Compact disk-write once type optical recording media

MITSUI TOATSU CHEMICALS7 citations73
US5446142AAug 29, 1995

Phthalocyanine and naphthalocyanine light-absorbing compound and optical recording medium containing same

MITSUI TOATSU CHEMICALS17 citations73
US5409634AApr 25, 1995

Near infrared absorbers and display/recording materials using the same

MITSUI TOATSU CHEMICALS7 citations73
US5270463ADec 14, 1993

Halogenated alkoxyphthalocyanines

MITSUI TOATSU CHEMICALS14 citations73
US5582774ADec 10, 1996

Alkylphthalocyanine near-infrared absorbers and recording/display materials using the same

MITSUI TOATSU CHEMICALS5 citations63
US5750229AMay 12, 1998

Phthalocyanine compound and optical recording medium containing it

MITSUI TOATSU CHEMICALS5 citations62
US5646273AJul 8, 1997

Phthalocyanine compound and optical recording medium containing it

MITSUI TOATSU CHEMICALS5 citations62
US5334714AAug 2, 1994

Method for preparing alkoxyphthalocyanine

MITSUI TOATSU CHEMICALS4 citations62
US5220010AJun 15, 1993

Method for preparation alkoxyphthalocyanine

MITSUI TOATSU CHEMICALS3 citations60
US5387678AFeb 7, 1995

Halogenation process of phthalocyanine and halogenated alkoxyphthalocyanine

MITSUI TOATSU CHEMICALS0 citations52

MITSUI CHEMICALS INC

2 patents