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Inventor

Seiji Aoki

Inventor
Tokyo, JP

Overview

11→
Patents
1977–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds18%
A61BDiagnosis9%
B29CShaping or joining of plastics9%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
G01SRadio direction-finding9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%
C01BNon-metallic elements5%
C08LCompositions of macromolecular compounds5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
PatentTitleYear
8,536,385'Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol'20138,390,879'Image forming apparatus'20137,015,255'Medium oil for slurry-bed reaction process and process of producing dimethyl ether'20066,150,566'Separation and purification method of xylenol isomer'20005,638,821'Ultrasound diagnostics system for obtaining a tomographic image'19975,414,191'Method of removing alkyltetralins from an alkylbenzene mixture'19955,383,461'Ultrasonic diagnostic system'19955,177,066'Stabilization of compositions containing anionic surfactants'19934,622,801'Method and an apparatus for sealing a nose of a packaging flat tube band after opening the nose'19864,078,961'Apparatus for continuously supplying plastics film strip from extruded head'19784,007,078'Method for continuously supplying plastics film strip from extruder head'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2013Patents assigned to AOKI SEIJI (3)· patent assignee history
1977–1978Based in Koshigaya, JP· patent location history
1978–1986Patents assigned to TAIYO SHOKAI CO LTD (2)· patent assignee history
1986–2013Based in Tokyo, JP· patent location history
1993Patents assigned to DAINIPPON PHARMACEUTICAL CO (1)· patent assignee history
1995–1997Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1995Based in Yokohama, JP· patent location history
1997Based in Kawasaki, JP· patent location history
2000Patents assigned to ADCHEMCO CORP (1)· patent assignee history
2013Based in Chofu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AOKI SEIJIself31977–2013
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21995–1997
TAIYO SHOKAI CO LTD21978–1986
ADCHEMCO CORP12000
DAINIPPON PHARMACEUTICAL CO11993
Locations
LocationPatentsSpan
Tokyo, JP51986–2013
Koshigaya, JP21977–1978
Chofu, JP12013
Kawasaki, JP11997
Yokohama, JP11995