Inventor

Tsutomu Kakuno

Inventor

Fujisawa, JP

Overview

13→

Patents

2002–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

H01Sprimary

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light46%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%

A61BDiagnosis8%

B23KSoldering or unsoldering8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

H01LSemiconductor devices8%

C30BSingle-crystal growth4%

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

H10HInorganic light-emitting semiconductor devices having potential barriers4%

PatentTitleYear

11,114,821Semiconductor laser wafer and semiconductor laser2021 10,714,897Distributed feedback semiconductor laser2020 10,630,059Surface emitting quantum cascade laser2020 10,490,979Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser2019 10,490,977Surface-emitting quantum cascade laser2019 10,447,012Surface-emitting quantum cascade laser2019 10,424,899Surface emitting quantum cascade laser2019 10,290,995Terahertz quantum cascade laser device2019 9,893,493'Surface emitting quantum cascade laser'2018 9,835,550Breath analyzer2017 9,829,432Gas measuring apparatus2017 9,099,386'Laser annealing method, laser annealing apparatus, and method for manufacturing thin film transistor'2015 6,341,042'Laser radiating apparatus and methods for manufacturing a polycrystalline semiconductor film and a liquid crystal display device'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2021Patents assigned to TOSHIBA KK (13)· patent assignee history

2002–2021Based in Fujisawa, JP· patent location history

2015Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	13	2002–2021

Locations

Location	Patents	Span
Fujisawa, JP	12	2002–2021
Kanagawa, JP	1	2015