Inventor

Seiya Iguchi

Inventor

Tokyo, JP

Overview

6→

Patents

1978–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C07Dprimary

C07DHeterocyclic compounds40%

B01DSeparation10%

C02FTreatment of water, waste water, sewage, or sludge10%

C12MApparatus for enzymology or microbiology10%

C12NMicroorganisms or enzymes10%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

PatentTitleYear

5,085,991'Process of preparing purified aqueous indole solution'1992 4,837,371'Process for concentration of an aqueous solution of amino acid'1989 4,800,160'Process and apparatus for producing immobilized enzyme granules'1989 4,732,654'Preparation process of indole'1988 4,727,161'Process for the preparation of indoles'1988 4,094,780'Process for the liquid phase oxidation of organic substance-containing effluents'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to MITSUI TOATSU CHEMICALS (6)· patent assignee history

1978Based in Yokohama, JP· patent location history

1988–1989Based in Tokyo, JP· patent location history

1988–1992Based in Mitaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUI TOATSU CHEMICALS	6	1978–1992

Locations

Location	Patents	Span
Tokyo, JP	3	1988–1989
Mitaka, JP	2	1988–1992
Yokohama, JP	1	1978