Inventor

Eiichi Tajima

Inventor

Tokyo, JP

Overview

16→

Patents

1976–2009

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 16 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification21%

E04DRoof coverings15%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

E04FFinishing work on buildings, e.g. stairs, floors6%

B29CShaping or joining of plastics4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles2%

B44CProducing decorative effects2%

PatentTitleYear

7,508,478'Display apparatus'2009 6,512,563'Method for producing ultrahigh resolution optical device panel'2003 6,208,402'Antiferroelectric liquid crystal panel'2001 6,191,881'Variable focal length lens panel and fabricating the same'2001 6,150,018'Conductive flooring installation method and electroconductive welding rod'2000 5,604,290'Self-crosslinking composition, forming obtained from the composition, and method for manufacturing the forming'1997 4,844,757'Process of forming ornamental joints'1989 4,643,526'Liquid crystal display device having a resin-coated IC chip'1987 4,636,414'Laminated bituminous roofing membrane'1987 4,605,463'Process of forming ornamental joints'1986 4,248,926'Flashing sheet'1981 4,091,135'Laminated bituminous roofing membrane'1978 4,055,453'Process for producing laminated bituminous roofing membrane'1977 4,045,265'Combined application process of thermal insulation and built-up roofing or waterproofing'1977 4,039,706'Laminated bituminous roofing membrane'1977 3,937,640'Process for manufacturing a waterproofing assembly of laminated bituminous roofing membranes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to TAJIMA ROOFING CO (7)· patent assignee history

1976–2000Based in Tokyo, JP· patent location history

1986–1989Patents assigned to TAJIMA OYO KAKO KK (2)· patent assignee history

1987–2003Patents assigned to CITIZEN WATCH CO LTD (4)· patent assignee history

1987Based in Tokorozawa, JP· patent location history

1997–2000Patents assigned to TAJIMA INC (2)· patent assignee history

2001–2009Based in Iruma, JP· patent location history

2009Patents assigned to CITIZEN HOLDINGS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAJIMA ROOFING CO	7	1976–1987
CITIZEN WATCH CO LTD	4	1987–2003
TAJIMA INC	2	1997–2000
TAJIMA OYO KAKO KK	2	1986–1989
CITIZEN HOLDINGS CO LTD	1	2009

Locations

Location	Patents	Span
Tokyo, JP	11	1976–2000
Iruma, JP	4	2001–2009
Tokorozawa, JP	1	1987