Inventor

Ryusuke Fukushima

Inventor

Shizuoka, JP

Overview

7→

Patents

2008–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps45%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein36%

B22DCasting of metals9%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%

PatentTitleYear

10,681,461Headphone2020 9,248,498'Method for automatically pouring molten metal by tilting a ladle and a medium for recording programs for controlling a tilt of a ladle'2016 8,026,653'Display device and optical filter'2011 8,008,846'Flat display apparatus'2011 7,986,081'Flat display apparatus'2011 7,768,182'Flat display apparatus'2010 7,339,311'Flat display apparatus with laminated optical filter'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2011Based in Shizuoka, JP· patent location history

2010–2011Patents assigned to PANASONIC CORP (4)· patent assignee history

2011Based in Kawasaki, JP· patent location history

2016Patents assigned to FUKUSHIMA RYUSUKE (1)· patent assignee history

2016Patents assigned to MAKINO HIROYASU (1)· patent assignee history

2016Patents assigned to NAT UNIV CORP TOYOHASHI UNIV (1)· patent assignee history

2016Based in Toyohashi, JP· patent location history

2020Patents assigned to ALPHATHETA CORP (1)· patent assignee history

2020Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC CORP	4	2010–2011
ALPHATHETA CORP	1	2020
FUKUSHIMA RYUSUKEself	1	2016
MAKINO HIROYASU	1	2016
NAT UNIV CORP TOYOHASHI UNIV	1	2016

Locations

Location	Patents	Span
Shizuoka, JP	4	2008–2011
Yokohama, JP	1	2020
Toyohashi, JP	1	2016
Kawasaki, JP	1	2011