Inventor

Hiroomi Kojima

Inventor

Yokohama, JP

Overview

5→

Patents

1977–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds14%

G03GElectrography14%

Y10TTechnical subjects covered by former us classification14%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

C21DModifying the physical structure of ferrous metals9%

C22CAlloys9%

H01BCables9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

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

PatentTitleYear

9,753,411'Conductive belt and electrophotographic apparatus'2017 9,034,476'Conductive belt and electrophotographic apparatus'2015 8,216,690'Electrophotographic belt and electrophotographic apparatus'2012 4,906,885'Electrode material for surface acoustic wave devices and surface acoustic wave device using the same'1990 4,021,798'Liquid crystal display panel and method for driving the same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1990Patents assigned to HITACHI LTD (2)· patent assignee history

1977–1990Based in Kamakura, JP· patent location history

1990Patents assigned to HITACHI ELECTRONICS (1)· patent assignee history

2012–2017Patents assigned to CANON KK (3)· patent assignee history

2012–2015Patents assigned to KOJIMA HIROOMI (2)· patent assignee history

2012–2015Patents assigned to UCHIDA KOUICHI (2)· patent assignee history

2012–2017Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	3	2012–2017
HITACHI LTD	2	1977–1990
KOJIMA HIROOMIself	2	2012–2015
UCHIDA KOUICHI	2	2012–2015
HITACHI ELECTRONICS	1	1990

Locations

Location	Patents	Span
Yokohama, JP	3	2012–2017
Kamakura, JP	2	1977–1990