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Inventor

Norikazu Ohtake

Inventor
Tsukuba, JP

Overview

11→
Patents
1994–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 11 as inventor

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

C07Dprimary
C07DHeterocyclic compounds44%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations32%
A61KPreparations for medical, dental or toiletry purposes24%
PatentTitleYear
8,609,699'Oxotetrahydrofuran-2-yl-benzimidazole derivative'20138,592,428'Acetyl pyrrolidinyl indole derivative'20138,158,652'Substituted pyridone derivative'20128,044,070'Heteroaryloxy nitrogenous saturated heterocyclic derivative'20117,960,402'Carbamoyl-substituted spiro derivative'20117,834,182'Piperidine derivative'20107,595,316'Heteroaryloxy nitrogenous saturated heterocyclic derivative'20097,547,693'Piperidine derivative'20095,438,054'2-(substituted pyrrolidinylthio) carbapenem derivatives'19955,374,720'2-(substituted pyrrolidinylthio)carbapenem derivatives'19945,373,002'2-(substituted pyrrolidinylthio) carbapenem derivatives'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2011Patents assigned to BANYU PHARMA CO LTD (7)· patent assignee history
1994–1995Based in Okazaki, JP· patent location history
2009–2013Based in Tsukuba, JP· patent location history
2011–2013Patents assigned to MSD KK (4)· patent assignee history
2012–2013Patents assigned to OHTAKE NORIKAZU (3)· patent assignee history
2012–2013Patents assigned to SUGA TAKUYA (2)· patent assignee history
2013Patents assigned to ASAI MASANORI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BANYU PHARMA CO LTD71994–2011
MSD KK42011–2013
OHTAKE NORIKAZUself32012–2013
SUGA TAKUYA22012–2013
ASAI MASANORI12013
Locations
LocationPatentsSpan
Tsukuba, JP82009–2013
Okazaki, JP31994–1995