Inventor

John B. Perkins

Inventor

Reading, MA, US

Overview

11→

Patents

1998–2014

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.

C12Nprimary

C12NMicroorganisms or enzymes32%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture32%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms15%

C07KPeptides12%

C07DHeterocyclic compounds3%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms3%

C12YEnzymes3%

PatentTitleYear

8,841,088'Method for mRNA stabilization'2014 8,329,395'Thiamin production by fermentation'2012 7,435,571'Microbial production of COQ10'2008 7,091,000'Bacterial strains which overproduce riboflavin and methods of use thereof'2006 6,841,366'Biotin biosynthesis in bacillus subtilis'2005 6,737,256'Overcoming DAPA aminotransferase bottlenecks in biotin vitamers biosynthesis'2004 6,551,813'Nutrient medium for bacterial strains which overproduce riboflavin'2003 6,303,377'Biotin biosynthesis in bacillus subtilis'2001 6,057,136'Biotin biosynthesis in Bacillus subtilis'2000 5,925,538'Bacterial strains which overproduce riboflavin'1999 5,837,528'Bacterial strains which overproduce riboflavin'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2008Based in Reading, MA, US· patent location history

1999–2004Patents assigned to ROCHE VITAMINS INC (5)· patent assignee history

2005–2014Patents assigned to DSM IP ASSETS BV (4)· patent assignee history

2006Patents assigned to DSM NUTRITIONAL PROD INC (1)· patent assignee history

2012–2014Patents assigned to PERKINS JOHN B (2)· patent assignee history

2012Based in Reinach, CH· patent location history

2014Patents assigned to FERRANDEZ ABEL (1)· patent assignee history

2014Based in Wassenaar, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROCHE VITAMINS INC	5	1999–2004
DSM IP ASSETS BV	4	2005–2014
PERKINS JOHN Bself	2	2012–2014
DSM NUTRITIONAL PROD INC	1	2006
FERRANDEZ ABEL	1	2014

Locations

Location	Patents	Span
Reading, Massachusetts, US	9	1998–2008
Wassenaar, NL	1	2014
Reinach, CH	1	2012