Inventor

Tatsuya Kiyasu

Inventor

Fujisawa, JP

Overview

8→

Patents

2000–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C12Pprimary

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture30%

C12NMicroorganisms or enzymes26%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for17%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation17%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%

C07KPeptides4%

PatentTitleYear

9,683,027'Method for production of antibody'2017 7,465,563'Enzymatic process for the manufacture of L-ascorbic acid and D-erythorbic acid'2008 6,955,906'Biotin biosynthetic genes having biotin synthase activity'2005 6,723,544'Biotin biosynthetic genes'2004 6,365,388'Biotin biosynthetic genes'2002 6,361,978'Production of biotin'2002 6,146,860'Manufacture of L-ascorbic acid and D-erythorbic acid'2000 6,117,669'Biotin biosynthetic genes'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2004Patents assigned to ROCHE VITAMINS INC (5)· patent assignee history

2000–2005Based in Fujisawa, JP· patent location history

2005Patents assigned to DSM NUTRITIONAL PRODUCTS INC (1)· patent assignee history

2008Patents assigned to DSM IP ASSETS BV (1)· patent assignee history

2008Based in Kanagawa, JP· patent location history

2017Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (1)· patent assignee history

2017Patents assigned to KIYASU TATSUYA (1)· patent assignee history

2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROCHE VITAMINS INC	5	2000–2004
CHUGAI PHARMACEUTICAL CO LTD	1	2017
DSM IP ASSETS BV	1	2008
DSM NUTRITIONAL PRODUCTS INC	1	2005
KIYASU TATSUYAself	1	2017

Locations

Location	Patents	Span
Fujisawa, JP	6	2000–2005
Tokyo, JP	1	2017
Kanagawa, JP	1	2008