Inventor

Masayasu Tanaka

Inventor
Kanagawa, JP

Overview

2→
Patents
2003–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A45Dprimary
A45DHairdressing or shaving equipment11%
A61KPreparations for medical, dental or toiletry purposes11%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
B29CShaping or joining of plastics11%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering11%
C07DHeterocyclic compounds11%
G02BOptical elements, systems or apparatus11%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
G05BControl or regulating systems in general11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to DAINIPPON PHARMACEUTICAL CO (1)· patent assignee history
2003Based in Sakai, JP· patent location history
2021Patents assigned to SONY CORP (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON PHARMACEUTICAL CO12003
SONY CORP12021
Locations
LocationPatentsSpan
Kanagawa, JP12021
Sakai, JP12003