Inventor

Kanemitsu Kubota

Inventor

Suwa, JP

Overview

10→

Patents

1976–2004

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 therein35%

Y10TTechnical subjects covered by former us classification15%

G04GElectronic time-pieces10%

G09GArrangements or circuits for control of indicating devices using static means to present variable information10%

B82YSpecific uses or applications of nanostructures5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

G02BOptical elements, systems or apparatus5%

G05FSystems for regulating electric or magnetic variables5%

H03MCoding5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

PatentTitleYear

6,742,907'Illumination device and display device using it'2004 6,287,649'Liquid crystal display device and method of manufacturing it'2001 6,147,726'Reflective display using multiple liquid crystal layers for controlable reflection'2000 5,191,454'Multi-colored liquid crystal display device'1993 4,168,498'Digital display drive and voltage divider circuit'1979 4,145,120'Electronic table calculator using liquid crystal display'1979 4,075,623'Reference voltage circuit'1978 4,044,346'Driving method for liquid crystal display'1977 4,023,259'Method of making liquid crystal display device having extended service life'1977 3,967,882'Liquid crystal display device having extended service life'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to SUWA SEIKOSHA KK (6)· patent assignee history

1976–2004Based in Suwa, JP· patent location history

1977–1979Based in Shiojiri, JP· patent location history

1993–2004Patents assigned to SEIKO EPSON CORP (4)· patent assignee history

1993Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUWA SEIKOSHA KK	6	1976–1979
SEIKO EPSON CORP	4	1993–2004

Locations

Location	Patents	Span
Suwa, JP	6	1976–2004
Shiojiri, JP	3	1977–1979
Nagano, JP	1	1993