Inventor

Yuuma Usui

Inventor

Kanagawa, JP

Overview

10→

Patents

2013–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 10 as inventor

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

B41Jprimary

B41JTypewriters33%

B41MPrinting, duplicating, marking, or copying processes14%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%

C09DCoating compositions, e.g. paints, varnishes or lacquers10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

C08LCompositions of macromolecular compounds5%

G02BOptical elements, systems or apparatus5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

H04NPictorial communication, e.g. television5%

PatentTitleYear

10,339,896Head-mounted display apparatus, and display method2019 9,891,497'Electrochromic device and method for producing electrochromic device'2018 9,102,138'Image forming apparatus'2015 9,010,915'Aqueous ink composition and image forming apparatus'2015 8,944,556'Image forming apparatus and image forming method'2015 8,919,946'Image forming apparatus and recording liquid'2014 8,870,350'Image forming device, and image forming method'2014 8,829,133'ABA triblock copolymer, thickener, and aqueous composition'2014 8,746,873'Image forming apparatus and image forming method'2014 8,382,233'Head cleaning device, image forming device, and head cleaning method'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2019Patents assigned to RICOH CO LTD (10)· patent assignee history

2013–2019Patents assigned to USUI YUUMA (10)· patent assignee history

2013–2019Patents assigned to HASEGAWA AINO (8)· patent assignee history

2013–2015Patents assigned to SEO MANABU (7)· patent assignee history

2013–2015Patents assigned to SUZUKI RYOTA (7)· patent assignee history

2013–2019Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	10	2013–2019
USUI YUUMAself	10	2013–2019
HASEGAWA AINO	8	2013–2019
SEO MANABU	7	2013–2015
SUZUKI RYOTA	7	2013–2015

Locations

Location	Patents	Span
Kanagawa, JP	10	2013–2019