P

Inventor

YOSHIOKA HIROKI

JP60 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NOF CORP

15 patents
US8012488B2Sep 6, 2011

Polyoxyalkylene derivative

NOF CORP9 citations82
US10752732B2Aug 25, 2020

Purification method of polyethylene glycol having one carboxyl group

NOF CORP3 citations71
US9458292B2Oct 4, 2016

Method for purifying polyethylene glycol having one amino group

NOF CORP2 citations61
US11220576B2Jan 11, 2022

Degradable polyethylene glycol derivative having disulfide linker

NOF CORP0 citations60
US12448488B2Oct 21, 2025

Conjugate of bio-related substance and block polymer, and block polymer derivative for obtaining said conjugate

NOF CORP0 citations59
US12239713B2Mar 4, 2025

Degradable polyethylene glycol conjugate

NOF CORP0 citations59
US12187846B2Jan 7, 2025

Degradable polyethylene glycol derivative

NOF CORP0 citations59
US12390534B2Aug 19, 2025

Branched degradable polyethylene glycol binder

NOF CORP0 citations58
US12403199B2Sep 2, 2025

Asymmetrically branched degradable polyethylene glycol derivative

NOF CORP0 citations57
US12404367B2Sep 2, 2025

Degradable multi-arm polyethylene glycol derivative

NOF CORP0 citations57
US10947343B2Mar 16, 2021

Production method of polyoxyethylene derivative having plurality of hydroxyl groups at terminal

NOF CORP0 citations52
US11905367B2Feb 20, 2024

Branched monodispersed polyethylene glycol, intermediate and methods for producing same

NOF CORP0 citations48
US10494340B2Dec 3, 2019

Branched hetero polyethylene glycol and intermediate

NOF CORP0 citations48
US12497508B2Dec 16, 2025

Branched and degradable polyethylene glycol derivative

NOF CORP0 citations47
US9908971B2Mar 6, 2018

Multi-arm polyethylene glycol derivative, intermediate thereof, and method for producing same

NOF CORP0 citations47

CALSONIC KANSEI CORP

8 patents

YOSHIOKA HIROKI

5 patents

DAISHINKU CORP

5 patents

SEIKO EPSON CORP

4 patents

KOHDA NAOKI

3 patents

MAZDA MOTOR

2 patents

MITSUMI ELECTRIC CO LTD

1 patent

CALSONIC CORP

1 patent

TOGASHI AKIRA

1 patent

SAKANOUE KENJI

1 patent

MARELLI CABIN COMFORT JAPAN CORP

1 patent

SHIBA YASUHIRO

1 patent

SATOH SYUNSUKE

1 patent

YAMAMOTO YUJI

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.