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Inventor

Keiichiro Yamazaki

Inventor
Tokyo, JP

Overview

4→
Patents
1986–2001
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E04Fprimary
E04FFinishing work on buildings, e.g. stairs, floors29%
B41JTypewriters14%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables14%
E04BGeneral building constructions14%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
6,217,017'Paper-feeding apparatus and method of feeding paper'20015,818,487'Ink jet printer'19985,085,020'Portable, assemblable-disassemblable staircase'19924,596,104'Joint structure for a structural bar assembly'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to YAMAZAKI KEIICHIRO (2)· patent assignee history
1986Based in 31-1, Kameido 6-chome, Koto-Ku Tokyo, JP· patent location history
1992–2001Based in Tokyo, JP· patent location history
1998–2001Patents assigned to OKI DATA KK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI DATA KK21998–2001
YAMAZAKI KEIICHIROself21986–1992
Locations
LocationPatentsSpan
Tokyo, JP31992–2001
31-1, Kameido 6-chome, Koto-Ku Tokyo, JP11986