Inventor

Takashi Sakai

Inventor

Ibaraki, JP

Overview

6→

Patents

2006–2021

Patent span

Human necessities

Primary field (CPC A)

Patents· 6 as inventor

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

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%

C07DHeterocyclic compounds22%

A61KPreparations for medical, dental or toiletry purposes13%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%

Y02PClimate change mitigation technologies in the production or processing of goods9%

F21SNon-portable lighting devices4%

F21VFunctional features or details of lighting devices or systems thereof4%

G02BOptical elements, systems or apparatus4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%

PatentTitleYear

10,955,593Light source unit2021 7,884,128'Process for total synthesis of pladienolide B and pladienolide D'2011 7,816,401'Process for total synthesis of pladienolide B and pladienolide D'2010 7,745,198'Method of producing macrolide compound'2010 7,667,052'Bioactive substance'2010 7,026,352'Physiologically active substances'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to EISAI CO LTD (1)· patent assignee history

2006–2010Based in Ibaraki, JP· patent location history

2010–2011Patents assigned to EISAI R&D MAN CO LTD (4)· patent assignee history

2010Patents assigned to MERCIAN CORP (1)· patent assignee history

2010–2011Based in Tsukuba, JP· patent location history

2021Patents assigned to TORAY INDUSTRIES (1)· patent assignee history

2021Based in Otsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EISAI R&D MAN CO LTD	4	2010–2011
EISAI CO LTD	1	2006
MERCIAN CORP	1	2010
TORAY INDUSTRIES	1	2021

Locations

Location	Patents	Span
Ibaraki, JP	3	2006–2010
Tsukuba, JP	2	2010–2011
Otsu, JP	1	2021