Inventor

Maomi Seko

Inventor

Tokyo, JP

Overview

26→

Patents

1976–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 26 as inventor

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

C25Bprimary

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals27%

B01DSeparation19%

C08JWorking-up15%

C07CAcyclic or carbocyclic compounds8%

C22BProduction and refining of metals8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

C01GCompounds containing metals not covered by subclasses c01d or c01f4%

C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium2%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

PatentTitleYear

4,683,040'Process for electrolysis of sodium chloride'1987 4,683,041'Process for electrolysis of sodium chloride'1987 4,643,818'Multi-cell electrolyzer'1987 4,357,218'Cation exchange membrane and use thereof in the electrolysis of sodium chloride'1982 4,285,811'Purification of formaldehyde by separation'1981 4,276,130'Process for the production of high purity aqueous alkali hydroxide solution'1981 4,230,882'Process for the production of a high purity terephthalic acid'1980 4,209,367'Electrolysis of aqueous alkali metal halide solution'1980 4,209,369'Process for electrolysis of sodium chloride by use of cation exchange membrane'1980 4,178,218'Cation exchange membrane and use thereof in the electrolysis of sodium chloride'1979 4,159,284'Process for separation of hydrocarbon mixture'1979 4,137,054'Purification of formaldehyde by separation'1979 4,126,589'Method for preparation of cation exchange membranes'1978 4,123,336'Process for electrolysis of aqueous alkali metal halide solution'1978 4,118,457'Redox uranium isotope separation using anion exchangers'1978 4,112,044'Chromatographic separation of uranium isotopes'1978 4,112,045'Separation of uranium isotopes using anion exchangers'1978 4,111,779'Bipolar system electrolytic cell'1978 4,108,742'Electrolysis'1978 4,093,568'Process for production of perfluorocarbon type cation exchange membrane'1978 4,092,398'Ion exchange apparatus for uranium technology'1978 4,090,932'Method for concentrating aqueous caustic alkali solution'1978 4,049,769'Separation of uranium isotopes by accelerated isotope exchange reactions'1977 4,005,004'Electrode coating consisting of a solid solution of a noble metal oxide, titanium oxide, and zirconium oxide'1977 3,953,569'Concentration of uranium 235 in mixtures with uranium 238 using ion exchange resins'1976 3,953,568'Method of simultaneous concentration and dilution of isotopes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to KAKIHANA HIDETAKE (2)· patent assignee history

1976Patents assigned to SEKO MAOMI (2)· patent assignee history

1976Based in Ookayama, Meguro, Tokyo, JA· patent location history

1976Based in Meguro-ku, JP· patent location history

1977–1987Patents assigned to ASAHI CHEMICAL IND (24)· patent assignee history

1977–1987Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI CHEMICAL IND	24	1977–1987
KAKIHANA HIDETAKE	2	1976
SEKO MAOMIself	2	1976

Locations

Location	Patents	Span
Tokyo, JP	24	1977–1987
Ookayama, Meguro, Tokyo, JA	1	1976
Meguro-ku, JP	1	1976