Inventor

Daniel T. Chu

Inventor

Santa Clara, CA, US

Overview

1976–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 106 as inventor

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

C07Dprimary

C07DHeterocyclic compounds28%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations23%

C07HSugars11%

Y02PClimate change mitigation technologies in the production or processing of goods10%

A61KPreparations for medical, dental or toiletry purposes9%

C07KPeptides5%

A61NElectrotherapy4%

C07CAcyclic or carbocyclic compounds3%

C07BGeneral methods of organic chemistry2%

C12NMicroorganisms or enzymes2%

PatentTitleYear

11,024,380Dual demarcation voltage sensing before writes2021 10,927,092Glucosylceramide synthase inhibitors for the treatment of diseases2021 10,780,088Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)2020 10,543,209Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)2020 10,493,078Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) for use in treatment of diseases associated with a PTEN deficiency2019 10,227,323Glucosylceramide synthase inhibitors for the treatment of diseases2019 10,189,837Crystalline (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt2019 9,926,303'Processes of synthesizing dihydropyridophthalazinone derivatives'2018 9,820,985'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)'2017 9,018,201'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) for use in treatment of diseases associated with a PTEN deficiency'2015 8,999,987'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)'2015 8,765,945'Processes of synthesizing dihydropyridophthalazinone derivatives'2014 8,735,392'Crystalline (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt'2014 8,541,403'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) for use in treatment of diseases associated with a PTEN deficiency'2013 8,420,650'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)'2013 8,088,760'Benzoxazole carboxamide inhibitors of poly(ADP-ribose)polymerase (PARP)'2012 8,012,976'Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)'2011 7,858,631'Substituted pyrido [2,3-d] pyrimidinone compounds'2010 7,858,641'Substituted dihydroisoquinolinone compounds'2010 7,632,918'Semi-synthetic glycopeptides with antibiotic activity'2009 7,625,909'Substituted quinazolinone compounds'2009 7,576,094'Spiro derivatives as lipoxygenase inhibitors'2009 7,456,183'Guanidino compounds'2008 7,368,422'Semi-synthetic rearranged vancomycin/desmethyl-vancomycin-based glycopeptides with antibiotic activity'2008 7,332,476'Pyridyl substituted ketolide antibiotics'2008 RE039836'Macrolide antinfective agents'2007 RE039762'Polyketide synthase enzymes and recombinant DNA constructs therefor'2007 RE039591'6-O-substituted ketolides having antibacterial activity'2007 7,163,924'Ketolide derivatives'2007 7,034,033'Substituted quinazolinone compounds'2006 6,995,269'Guanidinobenzamides'2006 6,794,366'Macrolide antiinfective agents'2004 6,762,168'Macrolide antiinfective agents'2004 6,759,536'Polynucleotides encoding the fkbA gene of the FK-520 polyketide synthase gene cluster'2004 6,756,359'C12 modified erythromycin macrolides and ketolides having antibacterial activity'2004 6,716,840'Guanidino compounds'2004 6,660,862'Polyketide synthase enzymes and recombinant DNA constructs therefor'2003 6,638,927'Guanidinobenzamides'2003 6,624,302'Polyketide derivatives'2003 6,593,302'Macrolide antiinfective agents'2003 6,590,083'Ketolide antibacterials'2003 6,569,867'Polyketide derivatives'2003 6,514,944'Macrolide antiinfective agents'2003 6,503,737'Isolated nucleic acids relating to the fkbA gene within the FK-520 polyketide synthase gene cluster'2003 6,458,771'Ketolide antibacterials'2002 6,451,768'Macrolide antiinfective agents'2002 6,399,582'Ketolide antibacterials'2002 6,395,710'Macrolide antiinfective agents'2002 6,274,715'Tricyclic erythromycin derivatives'2001 6,147,197'6-O-substituted erythromycin ketolides having antibacterial activity'2000 6,124,269'2-Halo-6-O-substituted ketolide derivatives'2000 6,075,133'6-O-substituted antibacterial erythromycin ketolides and methods of making'2000 6,075,011'6-O-substituted erythromycin compounds and method for making same'2000 6,046,171'6,11-bridged erythromycin derivatives'2000 6,034,069'3-\'N-modified 6-O-substituted erythromycin ketolide derivatives having antibacterial activity'2000 6,028,181'6-0-Substituted antibacterial erythromycin ketolides and methods of making'2000 5,922,683'Multicyclic erythromycin derivatives'1999 5,866,549'6-O-substituted ketolides having antibacterial activity'1999 5,837,868'Process for preparation of chiral 3-amino-pyrrolidine and analogous bicyclic compounds'1998 5,789,591'Process for preparing 1-substituted 8-chloro-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid ethyl ester compounds'1998 5,780,605'6,9-bridged erythromycin derivatives'1998 5,780,604'11,12-cyclic phosphite or phosphate derivatives of erythromycin and related macrolides'1998 5,750,510'3-descladinose-2,3-anhydroerythromycin derivatives'1998 5,747,466'3-deoxy-3-descladinose derivatives of erythromycins A and B'1998 5,726,182'Quinolizinone type compounds'1998 5,703,244'Process for preparation of chiral 3-amino-pyrrolidine and analogous bicyclic compounds'1997 5,693,813'Process for preparation of 4H-4-oxo-quinolizine-3-carboxylic acid'1997 5,668,164'Process for synthesis of chiral cis-and trans-3-amino-4 substituted pyrrolidine compounds'1997 5,624,924'Quinobenzothiazine antineoplastic agents'1997 5,618,813'Benzo[5.6]pyrano[2.3.4-ij]quinolizine and benzo[5.6]thiopyrano[2.3.4-ij]quinolizine derivatives as antibacterial and antineoplastic agents'1997 5,618,949'Process for synthesis of chiral cis- and trans-3-amino-4-substituted pyrrolidine compounds'1997 5,599,816'Quinolizinone type compounds'1997 5,580,872'Quinolizinone type compounds'1996 5,359,088'Enantiomerically pure aminopyrrolidine compounds'1994 5,318,965'Quinobenzoxazine, antineoplastic agents'1994 5,262,559'Method of producing quinoline-3-carboxylic acids'1993 5,252,747'Chiral quinolone intermediates'1993 5,137,892'Quinoline, naphthyridine and pyridobenzoxazine derivatives'1992 5,071,848'Tricyclic quinoline antineoplastic agents'1991 5,057,520'7-(peptidylpyrolidinyl)naphthyridine antibacterial compounds'1991 5,057,523'Dipeptide quinolone derivatives'1991 4,994,599'Intermediates for producing quinolone-3-carboxylic acids'1991 4,962,112'7-(2-methyl-4-aminopyrrolidinyl)naphthryidine and quinoline compounds'1990 4,956,475'Preparationof enantiomerically pure 3-protected amino-pyrrolidines'1990 4,880,814'7-cycloalkyl naphthyridines'1989 4,859,776'(S)-7-(3-aminopyrrolidin-1-yl)-1-(ortho, para-difluorophenyl)-1,4-dihydro-6-fluoro-4-oxo-1,8-naphthyridine-3-carb oxylic acid and method for its preparation'1989 4,826,985'Intermediates for preparation of racemate and optically active ofloxacin and related derivatives'1989 4,777,253'Process for preparation of racemate and optically active ofloxacin and related derivatives'1988 4,774,246'Quinoline antibacterial compounds'1988 4,767,762'Tricyclic quinoline and naphthyride antibacterials'1988 4,762,845'7-(3-Substituted imino-1-pyrrolidinyl)-quinolone-3-carboxylic acids'1988 4,730,000'Quinoline antibacterial compounds'1988 4,689,325'Isoxazolo-pyrido-phenoxazine and isothiazolo-pyrido-phenoxazine derivatives'1987 4,687,770'Isoxazolo-pyrido-benzoxazine and isothiazolo-pyrido-benzoxazine derivatives'1987 4,616,019'Naphthyridine antibacterial compounds'1986 4,607,032'Quino-benoxazine antibacterial compounds'1986 4,542,133'Methylenedioxy quino-benoxazine derivatives and antibacterial use'1985 4,540,694'1-Pyridine substituted quino-benoxazines and antibacterial use'1985 4,533,663'Quino-benzothiazine antibacterial compounds'1985 4,529,725'1-pyridine substituted quino-benzothiazine'1985 4,528,285'Methylenedioxy quino-benzothiazine derivatives'1985 4,397,784'Inhibitors of transpeptidase'1983 4,347,355'Inhibitors of transpeptidase'1982 4,309,342'Antibacterial peptides'1982 4,104,306'12A-Deoxy chelocardin'1978 3,963,774'Anilino derivatives of chelocardin'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2007Patents assigned to ABBOTT LAB (58)· patent assignee history

1982–1997Based in Vernon Hills, IL, US· patent location history

1982Based in Lake Villa, IL, US· patent location history

1993Based in Downers Grove, IL, US· patent location history

1996–2021Based in Santa Clara, CA, US· patent location history

2002–2007Patents assigned to KOSAN BIOSCIENCES INC (14)· patent assignee history

2003–2007Patents assigned to CHIRON CORP (6)· patent assignee history

2011–2021Patents assigned to BIOMARIN PHARM INC (10)· patent assignee history

2017–2020Patents assigned to MEDIVATION TECH LLC (6)· patent assignee history

2021Based in Folsom, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ABBOTT LAB	58	1976–2007
KOSAN BIOSCIENCES INC	14	2002–2007
BIOMARIN PHARM INC	10	2011–2021
CHIRON CORP	6	2003–2007
MEDIVATION TECH LLC	6	2017–2020

Locations

Location	Patents	Span
Santa Clara, California, US	71	1996–2021
Vernon Hills, Illinois, US	30	1982–1997
Folsom, California, US	1	2021
Downers Grove, Illinois, US	1	1993
Lake Villa, Illinois, US	1	1982