Inventor

Ryo Kasegawa

Inventor
Kanagawa, JP

Overview

15→
Patents
2008–2018
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 therein43%
G09GArrangements or circuits for control of indicating devices using static means to present variable information17%
G02BOptical elements, systems or apparatus13%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
H01JElectric discharge tubes or discharge lamps4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2018Patents assigned to SONY CORP (12)· patent assignee history
2008–2009Based in Tokyo, JP· patent location history
2013–2015Patents assigned to KASEGAWA RYO (6)· patent assignee history
2013–2015Patents assigned to DEXERIALS CORP (3)· patent assignee history
2013–2015Patents assigned to ITO YASUSHI (3)· patent assignee history
2013Patents assigned to KOBAYASHI KEN (3)· patent assignee history
2013–2018Based in Kanagawa, JP· patent location history
2013–2015Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP122008–2018
KASEGAWA RYOself62013–2015
DEXERIALS CORP32013–2015
ITO YASUSHI32013–2015
KOBAYASHI KEN32013
Locations
LocationPatentsSpan
Kanagawa, JP102013–2018
Chiba, JP32013–2015
Tokyo, JP22008–2009