Inventor

TAKATA HIROYUKI

JP5 patents

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

NIHON MEDIPHYSICS CO LTD

2 patents

US4849207AJul 18, 1989

Porphyrin derivatives

NIHON MEDIPHYSICS CO LTD50 citations94

US4996312AFeb 26, 1991

Porphyrin derivatives, and their production and use

NIHON MEDIPHYSICS CO LTD29 citations91

SAKATA ISAO

2 patents

US4604241AAug 5, 1986

9-desoxo-9-hydroxy-pheophorbide derivatives and alkaline salts thereof

SAKATA ISAO11 citations70

US4709022ANov 24, 1987

Pheophorbide derivatives and alkaline salts thereof

SAKATA ISAO12 citations68

WYETH LEDERLE JAPAN LTD

1 patent

US6063777AMay 16, 2000

Iminochlorinaspartic acid derivatives

WYETH LEDERLE JAPAN LTD16 citations81