Inventor
KAMIOKA SEIJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KAMIOKA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO PHARMA CO LTD
7 patentsUS11911381B2Feb 27, 2024
Optically active azabicyclo ring derivative
SUMITOMO PHARMA CO LTD1 citations71
US11564920B2Jan 31, 2023
5-heteroaryl-1H-pyrazol-3-amine derivative
SUMITOMO PHARMA CO LTD2 citations70
US12263167B2Apr 1, 2025
Optically active azabicyclo ring derivative
SUMITOMO PHARMA CO LTD0 citations60
US12398149B2Aug 26, 2025
Dihydrochromene derivatives
SUMITOMO PHARMA CO LTD0 citations59
US11639357B2May 2, 2023
Dihydrochromene derivatives
SUMITOMO PHARMA CO LTD0 citations59
US12559487B2Feb 24, 2026
Crosslinked optically active secondary amine derivative
SUMITOMO PHARMA CO LTD0 citations51
US12410154B2Sep 9, 2025
5-heteroaryl-1H-pyrazol-3-amine derivative
SUMITOMO PHARMA CO LTD0 citations49
SUMITOMO DAINIPPON PHARMA CO LTD
4 patentsUS11369605B2Jun 28, 2022
Optically active azabicyclo ring derivative
SUMITOMO DAINIPPON PHARMA CO LTD5 citations82
US11325921B2May 10, 2022
Optically active crosslinked cyclic secondary amine derivative
SUMITOMO DAINIPPON PHARMA CO LTD2 citations72
US10815241B2Oct 27, 2020
Optically active azabicyclo ring derivative
SUMITOMO DAINIPPON PHARMA CO LTD4 citations71
US10807993B2Oct 20, 2020
Dihydrochromene derivatives
SUMITOMO DAINIPPON PHARMA CO LTD3 citations70
BOSTON BIOMEDICAL INC
3 patentsUS10934309B2Mar 2, 2021
Tricyclic quinone derivative
BOSTON BIOMEDICAL INC1 citations58
US10800752B2Oct 13, 2020
Substituted naphtho[2,3-b]furans as water-soluble prodrugs for preventing and/or treating cancer
BOSTON BIOMEDICAL INC0 citations50
US10183925B2Jan 22, 2019
Substituted naphtho[2,3-b]furans as water-soluble prodrugs for preventing and/or treating cancer
BOSTON BIOMEDICAL INC0 citations50