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Inventor

Iwao Hasegawa

Inventor
Tokyo, JP

Overview

10→
Patents
1981–2000
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.

H04Mprimary
H04MTelephonic communication17%
B44CProducing decorative effects11%
D03DWoven fabrics11%
H04QSelecting11%
B29CShaping or joining of plastics6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B44FSpecial designs or pictures6%
D03JAuxiliary weaving apparatus6%
D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material6%
D21HPulp compositions6%
PatentTitleYear
6,132,848'Inlaid decorative sheet, its manufacturing method and manufacturing apparatus'20005,983,954'Roller type weft yarn feeding device'19995,794,664'Weft feeding device for fluid weaving machine'19985,109,406'Call control method and apparatus for a switching system'19924,941,171'Electronic private branch exchange'19904,847,118'Manufacturing method for a long patterned sheet provided with relief patterns'19894,802,209'Paging system for electronic telephone apparatus'19894,707,853'Electronic private branch exchanges'19874,375,914'Battery powered camera'19834,299,460'Automatic focusing unit for camera'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to OSAWA PRECISION IND LTD (2)· patent assignee history
1981–1999Based in Tokyo, JP· patent location history
1987–1992Patents assigned to TOSHIBA KK (4)· patent assignee history
1987–1992Based in Hino, JP· patent location history
1989Patents assigned to MEIWA GRAVURE CHEMICAL CO LTD (1)· patent assignee history
1989–1990Based in Tachikawa, JP· patent location history
1989Based in Gyoda, JP· patent location history
1999Patents assigned to MICRON CORP (1)· patent assignee history
2000Patents assigned to MEIWA GRAVURE CO LTD (1)· patent assignee history
2000Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK41987–1992
OSAWA PRECISION IND LTD21981–1983
MEIWA GRAVURE CHEMICAL CO LTD11989
MEIWA GRAVURE CO LTD12000
MICRON CORP11999
Locations
LocationPatentsSpan
Tokyo, JP31981–1999
Hino, JP21987–1992
Tachikawa, JP21989–1990
Osaka, JP12000
Gyoda, JP11989