Inventor

Katsuhiko Yamaji

Inventor
Kyoto, JP

Overview

7→
Patents
1985–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 7 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
D04HMaking textile fabrics, e.g. from fibres or filamentary material10%
E04FFinishing work on buildings, e.g. stairs, floors10%
B29CShaping or joining of plastics5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C08LCompositions of macromolecular compounds5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
E04CStructural elements5%
E04HBuildings or like structures for particular purposes5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1991Patents assigned to SEIKISUI CHEMICAL CO LTD (4)· patent assignee history
1985Based in Osaka, JP· patent location history
1990–2014Based in Kyoto, JP· patent location history
2006–2014Patents assigned to SEKISUI CHEMICAL CO LTD (2)· patent assignee history
2006Based in Hasuda, JP· patent location history
2014Patents assigned to ASANO RYOJI (1)· patent assignee history
2014Patents assigned to KANEKO MIKIO (1)· patent assignee history
2020Patents assigned to FRACTAL JAPAN CO LTD (1)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKISUI CHEMICAL CO LTD41985–1991
SEKISUI CHEMICAL CO LTD22006–2014
ASANO RYOJI12014
FRACTAL JAPAN CO LTD12020
KANEKO MIKIO12014
Locations
LocationPatentsSpan
Kyoto, JP31990–2014
Osaka, JP21985
Tokyo, JP12020
Hasuda, JP12006