Inventor
SHIRAIWA HIROTAKE
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAIWA HIROTAKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHUGAI PHARMACEUTICAL CO LTD
12 patentsUS10662245B2May 26, 2020
Methods of reducing IL-6 activity for disease treatment
CHUGAI PHARMACEUTICAL CO LTD22 citations94
US10253091B2Apr 9, 2019
Antibody constant region variant
CHUGAI PHARMACEUTICAL CO LTD27 citations94
US10066018B2Sep 4, 2018
Antibody constant region variant
CHUGAI PHARMACEUTICAL CO LTD28 citations94
US9975966B2May 22, 2018
Cytotoxicity-inducing theraputic agent
CHUGAI PHARMACEUTICAL CO LTD25 citations93
US9399680B2Jul 26, 2016
Nucleic acids encoding anti-NR10 antibodies
CHUGAI PHARMACEUTICAL CO LTD17 citations91
US11332533B2May 17, 2022
Modified antibody constant region
CHUGAI PHARMACEUTICAL CO LTD13 citations86
US10766960B2Sep 8, 2020
Heterodimerized polypeptide
CHUGAI PHARMACEUTICAL CO LTD13 citations85
US11001643B2May 11, 2021
Cytotoxicity-inducing therapeutic agent
CHUGAI PHARMACEUTICAL CO LTD9 citations84
US9556264B2Jan 31, 2017
Humanized anti-epiregulin antibody, and cancer therapeutic agent comprising said antibody as active ingredient
CHUGAI PHARMACEUTICAL CO LTD5 citations70
US12371511B2Jul 29, 2025
Heterodimerized polypeptide
CHUGAI PHARMACEUTICAL CO LTD1 citations63
US12509524B2Dec 30, 2025
Antigen-binding molecule comprising altered antibody variable region
CHUGAI PHARMACEUTICAL CO LTD1 citations62
US12435137B2Oct 7, 2025
Antigen-binding molecule containing two antigen-binding domains that are linked to each other
CHUGAI PHARMACEUTICAL CO LTD1 citations59
IGAWA TOMOYUKI
4 patentsUS9688762B2Jun 27, 2017
Modified antibody constant region
IGAWA TOMOYUKI48 citations98
US9228017B2Jan 5, 2016
Antibody constant region variant
IGAWA TOMOYUKI44 citations98
US8562991B2Oct 22, 2013
Antibody molecules that bind to IL-6 receptor
IGAWA TOMOYUKI130 citations98
US8497355B2Jul 30, 2013
Anti-glypican-3 antibody having improved kinetics in plasma
IGAWA TOMOYUKI29 citations92