Inventor

Tetsuya Motoyoshi

Inventor

Tokyo, JP

Overview

11→

Patents

2012–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds28%

C08JWorking-up18%

G02BOptical elements, systems or apparatus18%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

C08LCompositions of macromolecular compounds8%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

Y10TTechnical subjects covered by former us classification5%

A01GHorticulture3%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

PatentTitleYear

10,800,879Polycarbonate resin, and production method and film thereof2020 9,850,344Polycarbonate resin and optical film2017 9,598,546'Optical film'2017 9,096,710'Polycarbonate resin'2015 9,018,338'Polycarbonate resin and molded article thereof'2015 9,018,340'Copolycarbonate and transparent molded article obtained therefrom'2015 8,877,304'Optical film'2014 8,816,039'Copolycarbonate'2014 8,455,611'Optical film'2013 8,378,055'Polyester carbonate copolymer for optical lens and optical lens'2013 8,293,861'Optical film'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2015Patents assigned to MOTOYOSHI TETSUYA (7)· patent assignee history

2012–2017Patents assigned to TEIJIN CHEMICALS LTD (5)· patent assignee history

2012–2014Patents assigned to ANDO MASATOSHI (4)· patent assignee history

2012–2017Based in Tokyo, JP· patent location history

2013–2014Based in Chiyoda-ku, JP· patent location history

2014–2020Patents assigned to TEIJIN LTD (6)· patent assignee history

2014–2015Patents assigned to TAKEDA TSUYOSHI (2)· patent assignee history

2017–2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOYOSHI TETSUYAself	7	2012–2015
TEIJIN LTD	6	2014–2020
TEIJIN CHEMICALS LTD	5	2012–2017
ANDO MASATOSHI	4	2012–2014
TAKEDA TSUYOSHI	2	2014–2015

Locations

Location	Patents	Span
Tokyo, JP	6	2012–2017
Chiyoda-ku, JP	3	2013–2014
Osaka, JP	2	2017–2020