Inventor

Tetsuya Takezono

Inventor

Yokohama, JP

Overview

10→

Patents

1980–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

C12NMicroorganisms or enzymes17%

A01HNew plants or non-transgenic processes for obtaining them11%

C10LFuels not otherwise provided for11%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture11%

C07DHeterocyclic compounds6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

5,468,635'In vitro method for stimulating cell growth by culturing cells in a serum-free culture medium comprising human lysozyme'1995 5,336,605'Production of podophyllotoxins using podophyllum'1994 5,225,343'Process for preparation of an adventive embryo of podophyllum'1993 4,656,307'Derivative of brendane and process for preparing the same'1987 4,650,885'Process for preparing derivatives of naphthazarin'1987 4,645,576'Process for isolating and recovering butene-1 of high purity'1987 4,404,409'Process for preparing methyl tertiary-butyl ether'1983 4,356,339'Process for isolating and recovering butene-1 of high purity'1982 4,256,465'Method for producing methyl tert-butyl ether and fuel composition containing the same'1981 4,182,913'Method for producing methyl tert-butyl ether and fuel composition containing the same'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1995Patents assigned to NIPPON OIL CO LTD (10)· patent assignee history

1980–1987Based in Kawasaki, JP· patent location history

1987–1995Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON OIL CO LTD	10	1980–1995

Locations

Location	Patents	Span
Yokohama, JP	5	1987–1995
Kawasaki, JP	5	1980–1987