Inventor · Saitama, JP

Masato Kashimura

23Patents
7h-index
35Co-inventors
69Inventor score

Filing activity: Feb 24, 1986 → Feb 20, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4990602A Erythromycin A derivatives Chemistry; Metallurgy 83 Expired
US4670549A Method for selective methylation of erythromycin a derivatives Chemistry; Metallurgy 47 Expired
US5403923A 6-0-methylerythromycin A derivatives Chemistry; Metallurgy 37 Expired
US5631355A 5-O-desosaminylerythronolide a derivatives Chemistry; Metallurgy 31 Expired
US8097708B2 10a-Azalide compound Human Necessities 26 Active
US5350839A 2'-position modified compound of erythromycin or its derivative Chemistry; Metallurgy 17 Expired
US5523399A 5-O-desosaminylerythronolide derivatives Human Necessities 14 Expired
US6169168A Erythromycin A derivatives Chemistry; Metallurgy 7 Expired
US5631354A 5-O-desosaminylerythronolide derivatives Human Necessities 6 Expired
US8124744B2 Macrolide derivatives Chemistry; Metallurgy 4 Active
US5302705A 6-O-methylerythromycin A oxime derivatives Human Necessities 4 Expired
US6191118A Erythromycin A derivatives Human Necessities 4 Expired
US5804565A Erythromycin A derivatives Human Necessities 2 Expired
US5591837A 5-O-desosaminylerythronolide a derivative Chemistry; Metallurgy 2 Expired
US6165986A Erythromycin a derivatives Chemistry; Metallurgy 2 Expired
US6140479A Erythromycin a derivatives Chemistry; Metallurgy 1 Expired
US6342590B1 Erythromycin a derivatives and method for preparing same Chemistry; Metallurgy 1 Expired
US9139609B2 C-4″ position substituted macrolide derivative Human Necessities 0 Active
US8293715B2 10a-Azalide compound crosslinked at 10a- and 12-positions Human Necessities 0 Active
USRE39560E1 Erythromycin A derivatives and method for preparing same General 0 Expired
US5602239A 5-O-desosaminylerythronolide derivatives Chemistry; Metallurgy 0 Expired
US8299035B2 10a-azalide compound having 4-membered ring structure Human Necessities 0 Active
US6713615B2 Process for producing erythromycin derivative Chemistry; Metallurgy 0 Expired

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