Inventor
OZUTSUMI MINORU
12 patents
⚠️ This page may combine multiple inventors who share the name “OZUTSUMI MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HODOGAYA CHEMICAL CO LTD
11 patentsUS3975285AAug 17, 1976
Liquid crystal composition
HODOGAYA CHEMICAL CO LTD29 citations81
US4074050AFeb 14, 1978
Diphenyl-1,3-benzoxazine-2-ones
HODOGAYA CHEMICAL CO LTD7 citations73
US3967835AJul 6, 1976
Pressure-sensitive copying material
HODOGAYA CHEMICAL CO LTD7 citations73
US3936564AFeb 3, 1976
Pressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acid
HODOGAYA CHEMICAL CO LTD13 citations73
US3930672AJan 6, 1976
Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid
HODOGAYA CHEMICAL CO LTD7 citations73
US4019907AApr 26, 1977
Photosensitive azido color-forming element
HODOGAYA CHEMICAL CO LTD16 citations72
US4003747AJan 18, 1977
Photosensitive azide compound containing color-forming element
HODOGAYA CHEMICAL CO LTD8 citations72
US3979320ASep 7, 1976
Liquid crystal composition
HODOGAYA CHEMICAL CO LTD11 citations72
US4504651AMar 12, 1985
Sulfur-containing polyester and process for its production
HODOGAYA CHEMICAL CO LTD18 citations71
US4073614AFeb 14, 1978
Mixture of benzoxazines and benzodioxanes which may be used as color formers
HODOGAYA CHEMICAL CO LTD5 citations62
US4002631AJan 11, 1977
Tetrahydroquinoline or jujolidine derivative of a lactone compound of pyridine-carboxylic acid
HODOGAYA CHEMICAL CO LTD2 citations62