Inventor

Osamu Tadanaga

Inventor

Tokyo, JP

Overview

9→

Patents

2003–2018

Patent span

Physics

Primary field (CPC G)

Patents· 9 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein29%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light29%

G01NInvestigating or analysing materials by determining their chemical or physical properties24%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%

G02BOptical elements, systems or apparatus6%

Y02ATechnologies for adaptation to climate change6%

PatentTitleYear

10,156,517N2018 10,101,270SO3 analysis method and analysis device2018 7,940,451'Wavelength converter and wavelength conversion apparatus'2011 7,729,585'Light source apparatus with modulation function and its driving method'2010 7,573,921'Laser light source'2009 7,391,795'Laser light source'2008 6,846,685'Vertical-cavity surface-emitting semiconductor laser'2005 6,806,986'Wavelength converter and wavelength converting apparatus'2004 6,549,553'Vertical-cavity surface-emitting semiconductor laser'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2018Patents assigned to NIPPON TELEGRAPH & TELEPHONE (8)· patent assignee history

2003–2018Based in Tokyo, JP· patent location history

2004–2010Based in Zama, JP· patent location history

2010Patents assigned to NIPPONTELEGRAPH AND TELEPHONE (1)· patent assignee history

2010Patents assigned to NTT ELECTRONICS CORP (1)· patent assignee history

2011Based in Atsugi, JP· patent location history

2018Patents assigned to MITSUBISHI HEAVY IND LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	8	2003–2018
MITSUBISHI HEAVY IND LTD	2	2018
NIPPONTELEGRAPH AND TELEPHONE	1	2010
NTT ELECTRONICS CORP	1	2010

Locations

Location	Patents	Span
Tokyo, JP	4	2003–2018
Zama, JP	4	2004–2010
Atsugi, JP	1	2011