Inventor

Tomotaka Katsura

Inventor

Tokyo, JP

Overview

14→

Patents

2007–2021

Patent span

Physics

Primary field (CPC G)

Patents· 14 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 light38%

G02BOptical elements, systems or apparatus23%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%

B23KSoldering or unsoldering12%

C03BManufacture, shaping, or supplementary processes4%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

H04NPictorial communication, e.g. television4%

PatentTitleYear

11,108,214Wavelength combining laser apparatus2021 10,864,600Laser machining device2020 10,840,670Laser oscillator2020 10,714,902Laser oscillator2020 10,498,107Laser device2019 10,461,506Laser oscillation apparatus2019 9,919,945'Laser processing method and laser processing apparatus'2018 9,331,457'Semiconductor laser apparatus'2016 9,188,834'Wavelength conversion crystal and wavelength conversion laser device'2015 8,767,786'Laser processing apparatus, laser processing method, and manufacturing method of photovoltaic device'2014 8,482,813'Image-scanning device'2013 7,948,673'Optical wavelength conversion element having a cesium-lithium-borate crystal'2011 7,936,804'Solid state laser and wavelength conversion laser'2011 7,170,911'Wavelength conversion apparatus'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2021Patents assigned to MITSUBISHI ELECTRIC CORP (14)· patent assignee history

2007–2021Based in Tokyo, JP· patent location history

2013–2015Patents assigned to KATSURA TOMOTAKA (3)· patent assignee history

2013–2014Patents assigned to OKAMOTO TATSUKI (2)· patent assignee history

2015Patents assigned to FUJIKAWA SHUICHI (1)· patent assignee history

2015Patents assigned to FURUTA KEISUKE (1)· patent assignee history

2016–2018Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	14	2007–2021
KATSURA TOMOTAKAself	3	2013–2015
OKAMOTO TATSUKI	2	2013–2014
FUJIKAWA SHUICHI	1	2015
FURUTA KEISUKE	1	2015

Locations

Location	Patents	Span
Tokyo, JP	12	2007–2021
Chiyoda-ku, JP	2	2016–2018