Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WC

Wei K. Chang — 27 Patents

SCSchering: 25 patents #84 of 2,442Top 4%
ATArcadyan Technology: 2 patents #24 of 99Top 25%
Livingston, NJ: #18 of 447 inventorsTop 5%
New Jersey: #2,654 of 69,400 inventorsTop 4%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Wei K. Chang has been granted 27 US patents while listed as an inventor at Schering. The first was granted in 1981 and the most recent in May 2012. Wei K. Chang ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Wei K. Chang in Livingston, NJ, US.

Patents per Year

Patents granted per year, 1981 to 2012Bar chart with a peak of 4 patents in 1999.peak 41981: 1 patents19811982: 3 patents1984: 1 patents19841986: 1 patents1987: 1 patents19871990: 2 patents1991: 2 patents19911993: 2 patents1994: 2 patents19941995: 1 patents1996: 1 patents19961999: 4 patents2000: 2 patents20002001: 1 patents2002: 1 patents20022012: 2 patents2012

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8190756 Method for automatically re-connecting customer premises equipment (CPE) web user interface (UI) 2012-05-29
8151184 Method for promoting the accessing efficiency with embedded web page 2012-04-03
6498168 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +14 more 2002-12-24 $316,470,000
6288068 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +14 more 2001-09-11
6043255 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +15 more 2000-03-28 $211,491,000
6037352 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +14 more 2000-03-14 $302,746,000
5977138 Ether muscarinic antagonists Yuguang Wang, Sundeep Dugar, Samuel Chackalamannil 1999-11-02 $230,584,000
5935958 Muscarinic antagonists Joseph A. Kozlowski, Derek Lowe, Sundeep Dugar 1999-08-10 $137,302,000
5889006 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +15 more 1999-03-30 $271,440,000
5883096 Muscarinic antagonists Derek Lowe, Joseph A. Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett +14 more 1999-03-16 $290,907,000
5530125 Synthesis of .alpha.-substituted-aryl ethylamines Joel G. Berger, Joseph A. Kozlowski, Guowei Zhou 1996-06-25 $112,344,000
5440033 Indolyl-, pyrrolyl- and pyrazolyl substituted benzazepines Joel G. Berger, Joseph A. Kozlowski 1995-08-08 $36,709,000
5374722 Bridged benzazepines Joel G. Berger, John W. Clader 1994-12-20 $63,604,000
5302716 Fused benzazepines Joel G. Berger, Elijah H. Gold, John W. Clader 1994-04-12 $61,685,000
5247080 Substituted benzazepines useful as intermediates for producing pharmaceutically active compounds Joel G. Berger, Marjorie Peters 1993-09-21 $87,741,000
5241065 2,3,4,5-tetrahydro-1H-3-benzazepines having anti-psychotic activity Joel G. Berger, Joseph A. Kozlowski, Guowei Zhou 1993-08-31 $82,198,000
5015639 Substituted benzazepines, their preparation and pharmaceutical compositions containing them Joel G. Berger, Marjorie Peters 1991-05-14 $34,046,000
4996202 1,2,4,5 tetrahydro benzazepine-3 compounds and antipsychotic use thereof Joel G. Berger, Elijah H. Gold, Arthur J. Elliott 1991-02-26 $31,037,000
4973586 Fused benzazepines, compositions of, and medical use thereof Joel G. Berger, Elijah H. Gold, John W. Clader 1990-11-27 $17,753,000
4950783 Treatment of hypertension Elijah H. Gold 1990-08-21 $38,809,000
4658060 Preparation of (-)-5-(beta)-1-hydroxy-2-((beta)-1-methyl-3-phenylpropyl)aminoethyl) salicylamide Elijah J. Gold, Esther Babad, Lydia Peer 1987-04-14 $14,675,000
4619919 Treatment of hypertension Elijah H. Gold 1986-10-28 $28,723,000
4477378 Esters of substituted 8-hydroxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepines Elijah H. Gold 1984-10-16 $9,343,000
4349472 (S)-8(1-Adamantanecarbonyloxy)-7-chloro-3-methyl-1-phenyl-2,3,4, 5-tetrahydro-1H-3-benzazepine Elijah H. Gold 1982-09-14 $6,106,000
4340597 1-Substituted-4-aryl-1,2,5,6-tetrahydro and hexahydropyridines Elijah H. Gold, Joel G. Berger 1982-07-20 $10,004,000