Inventor

Ing-Jun Chen

16Patents
3h-index
7Co-inventors
53Inventor score

Filing activity: Aug 22, 1991 → Jul 8, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US8470805B2 Processes for preparing piperazinium salts of KMUP and use thereof Human Necessities 15 Active
US5221692A Ether linked and relatively nonpungent analogues of N-nonanoyl vanillylamide Chemistry; Metallurgy 10 Expired
US5840720A 4-O and 5-aminomethylation of synthetic capsaicin derivatives, a new discovery of capsaicin antagonist Chemistry; Metallurgy 8 Expired
US5744468A Hypotensive intraocular pressure activity of clozapine and sulpiride Human Necessities 3 Expired
US5495005A Synthesis and pharmacological activity of a series of novel xanthone derivatives Chemistry; Metallurgy 2 Expired
US8497370B2 Processes for preparing amine salts of sildenafil-analogues and use thereof Chemistry; Metallurgy 2 Active
US5804603A Synthesized .beta.-adrenergic blockers derivatives of guaiacol Chemistry; Metallurgy 2 Expired
US5939578A Vasomolol: an ultra short-acting and vasodilatory vanilloid type .beta..sub. - adrenoceptor antagonist Chemistry; Metallurgy 2 Expired
US7550468B2 Theophylline and 3-isobutyl-1 methylxanthine based N-7 substituted derivatives displaying inhibitory activities on PDE-5 phospodiesterase Chemistry; Metallurgy 1 Active
US6979687B1 Theophylline-based soluble guanylyl cyclase activators KMUP-1 analogues enhanced cyclic GMP and K+ channel activities on rabbit corpus cavernosum smooth muscle and intercavernous pressure activities Chemistry; Metallurgy 1 Expired
US6887878B2 KMST isoeugenol derivatives and pharmaceutical activity Human Necessities 1 Expired
US6794399B2 1,4-dihydropyridine derivative with a guaiacoxypropanolamine and/or phenoxypropanolamine moiety Human Necessities 0 Expired
US6846826B2 Phenoxypropanol connected with phenylpiperazine and phenoxyalkylamine terminal in its side chain Chemistry; Metallurgy 0 Expired
US7105521B2 Eugenosedin-A based pharmacoligical agents Human Necessities 0 Expired
US8507506B2 Theophylline derivative inhibits osteoporosis Human Necessities 0 Active
US6518450B2 Guaiacoxypropanolamines with alpha/beta adrenergic blocking activity Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.