Inventor

Richard Lewanczuk

Inventor

Edmonton, CA

Overview

15→

Patents

1993–2006

Patent span

Human necessities

Primary field (CPC A)

Patents· 15 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes27%

G01NInvestigating or analysing materials by determining their chemical or physical properties16%

A61BDiagnosis14%

Y10TTechnical subjects covered by former us classification14%

C07KPeptides11%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

C07BGeneral methods of organic chemistry7%

C07DHeterocyclic compounds2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

7,118,919'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2006 6,878,550'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2005 6,818,200'Method of using deuterated calcium channel blockers'2004 6,602,715'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2003 6,599,750'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2003 6,468,802'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2002 6,461,870'13C glucose breath test for the diagnosis of diabetic indications and monitoring glycemic control'2002 6,334,997'Method of using deuterated calcium channel blockers'2002 5,886,012'Method of treatment for disease associated with excessive PHF using combination therapy involving exogenous calcium and calcium channel blockers'1999 5,846,514'Enhancement of the efficacy of nifedipine by deuteration'1998 5,739,274'Active component of parathyroid hypertensive factor'1998 5,457,132'Kit used in the treatment for hypertension using combination therapy involving exogenous calcium and calcium channel blockers'1995 5,354,765'Method of treatment for hypertension using combination therapy involving exogenous calcium and dihydropyridine calcium channel blockers'1994 5,350,771'Method and treatment for hypertension using combination therapy involving exogenous calcium and calcium channel blockers'1994 5,192,664'Parathyroid hypertensive factor, antibodies and uses thereof'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1999Patents assigned to PANG PETER K T (5)· patent assignee history

1993–2006Based in Edmonton, CA· patent location history

1998–2006Patents assigned to ISOTECHNIKA INC (9)· patent assignee history

1998Patents assigned to CV TECHNOLOGIES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISOTECHNIKA INC	9	1998–2006
PANG PETER K T	5	1993–1999
CV TECHNOLOGIES INC	1	1998

Locations

Location	Patents	Span
Edmonton, CA	15	1993–2006