Inventor

Natsumi Tasaki

Inventor

Akishima, JP

Overview

6→

Patents

2012–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

H10Hprimary

H10HInorganic light-emitting semiconductor devices having potential barriers18%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%

C08JWorking-up12%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%

C08LCompositions of macromolecular compounds12%

G02BOptical elements, systems or apparatus12%

H01LSemiconductor devices12%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

PatentTitleYear

11,001,699Transparent plastic substrate and plastic lens2021 10,947,365Transparent plastic substrate and plastic lens2021 10,907,028Transparent plastic substrate and plastic lens2021 10,658,543Semiconductor optical device and method of manufacturing the same2020 9,172,005'Semiconductor light emitting diode having a contact portion and a reflective portion'2015 8,278,822'Light-emitting element'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to DOWA ELECTRONICS MATERIALS CO LTD (3)· patent assignee history

2012–2015Patents assigned to TASAKI NORIO (2)· patent assignee history

2012Patents assigned to IWATA MASATOSHI (1)· patent assignee history

2012Patents assigned to KOBAYASHI YOSHIYUKI (1)· patent assignee history

2012Based in Tokyo, JP· patent location history

2015–2020Based in Akita, JP· patent location history

2021Patents assigned to HOYA LENS THAILAND LTD (2)· patent assignee history

2021Based in Akishima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DOWA ELECTRONICS MATERIALS CO LTD	3	2012–2020
HOYA LENS THAILAND LTD	2	2021
TASAKI NORIOself	2	2012–2015
IWATA MASATOSHI	1	2012
KOBAYASHI YOSHIYUKI	1	2012

Locations

Location	Patents	Span
Akishima, JP	3	2021
Akita, JP	2	2015–2020
Tokyo, JP	1	2012