Inventor

Seiji Kawamoto

Inventor
Chiba, JP

Overview

6→
Patents
1989–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
A01NPreservation of bodies of humans or animals or plants or parts thereof10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%
B41MPrinting, duplicating, marking, or copying processes5%
B41NPrinting plates or foils5%
B60BVehicle wheels5%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
C21DModifying the physical structure of ferrous metals5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to MITSUI TOATSU CHEMICALS (3)· patent assignee history
1989–1991Based in Chiba, JP· patent location history
1993Based in Mobara, JP· patent location history
1999Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history
1999Based in Bangkok, TH· patent location history
2007Patents assigned to HIRATA SPINNING (1)· patent assignee history
2007Based in Tokyo, JP· patent location history
2019Patents assigned to TSK CORP (1)· patent assignee history
2019Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS31989–1993
HIRATA SPINNING12007
MITSUI CHEMICALS INC11999
TSK CORP12019
Locations
LocationPatentsSpan
Chiba, JP21989–1991
Shizuoka, JP12019
Tokyo, JP12007
Bangkok, TH11999
Mobara, JP11993