Inventor · Cumming, IA, US

Howard Hershey

30Patents
11h-index
32Co-inventors
75Inventor score

Filing activity: Dec 14, 1988 → Jun 2, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5510474A Plant ubiquitin promoter system Chemistry; Metallurgy 98 Expired
US5614399A Plant ubiquitin promoter system Chemistry; Metallurgy 73 Expired
US5908975A Accumulation of fructans in plants by targeted expression of bacterial levansucrase Chemistry; Metallurgy 44 Expired
US5364780A External regulation of gene expression by inducible promoters Chemistry; Metallurgy 37 Expired
US6054574A Plant ubiquitin promoter system Chemistry; Metallurgy 36 Expired
US5268526A Overexpression of phytochrome in transgenic plants Emerging Cross-Sectional Technologies 19 Expired
US7612251B2 Nucleotide sequences mediating male fertility and method of using same Chemistry; Metallurgy 19 Active
US7696405B2 Dominant gene suppression transgenes and methods of using same Chemistry; Metallurgy 16 Expired
US5608143A External regulation of gene expression Chemistry; Metallurgy 13 Expired
US7589257B2 Genes for enhancing nitrogen utilization efficiency in crop plants Emerging Cross-Sectional Technologies 13 Active
US6020190A Plant ubiquitin promoter system Chemistry; Metallurgy 12 Expired
US7893318B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 9 Active
US8013218B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 8 Active
US7875764B2 Nucleotide sequences mediating male fertility and method of using same Chemistry; Metallurgy 8 Active
US8614367B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 8 Active
US7893317B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 4 Active
US8933296B2 Dominant gene suppression transgenes and methods of using same Chemistry; Metallurgy 4 Active
US7759543B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 4 Active
US7888551B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 4 Active
US7888550B2 Nucleotide sequences mediating plant male fertility and method of using same Chemistry; Metallurgy 4 Active
US10155962B2 Compositions and methods comprising male fertility sequences Chemistry; Metallurgy 2 Active
US5876945A Methods for identifying herbicidal agents that inhibit D1 protease Physics 2 Expired
US11377668B2 Compositions and methods comprising male fertility sequences Chemistry; Metallurgy 1 Active
US8247650B2 Genes for enhancing nitrogen utilization efficiency in crop plants Emerging Cross-Sectional Technologies 1 Active
US8822761B2 Genes for enhancing nitrogen utilization efficiency in crop plants Emerging Cross-Sectional Technologies 0 Active

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