Inventor

Hiroshi Shimizu

Inventor
Tokushima, JP

Overview

8→
Patents
1997–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds47%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%
A61KPreparations for medical, dental or toiletry purposes24%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2020Patents assigned to OTSUKA PHARMA CO LTD (8)· patent assignee history
1997–2000Based in Tokushima, JP· patent location history
2015Patents assigned to CHEN XIUHAO (1)· patent assignee history
2015Patents assigned to HARAGUCHI YOSHIKAZU (1)· patent assignee history
2015Patents assigned to HASHIZUME HIROYUKI (1)· patent assignee history
2015Patents assigned to HAYASHI MIKAYO (1)· patent assignee history
2015–2020Based in Osaka, JP· patent location history
2018–2019Based in Higashikagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTSUKA PHARMA CO LTD81997–2020
CHEN XIUHAO12015
HARAGUCHI YOSHIKAZU12015
HASHIZUME HIROYUKI12015
HAYASHI MIKAYO12015
Locations
LocationPatentsSpan
Tokushima, JP41997–2000
Osaka, JP22015–2020
Higashikagawa, JP22018–2019