Inventor · Sendai, JP

Tomihisa Ohta

9Patents
1h-index
9Co-inventors
44Inventor score

Filing activity: Sep 11, 1987 → Jul 21, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4876383A Amino acid derivatives, their production and use in preparing carbapenem and carbapenam compounds Emerging Cross-Sectional Technologies 1 Expired
US7393542B2 Remedies for allergic diseases using processed peanut seed coat Human Necessities 0 Expired
US5028718A Amino acid derivatives, their production and use in preparing carbapenem and carbapenam compounds Emerging Cross-Sectional Technologies 0 Expired
US7125725B2 Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration Emerging Cross-Sectional Technologies 0 Expired
US5118831A Amino acid derivatives, their production and use in preparing carbapenem and carbapenam compounds Emerging Cross-Sectional Technologies 0 Expired
US5342963A Optically active pyrrolidine derivative Emerging Cross-Sectional Technologies 0 Expired
US8673376B2 Polyphenol-containing composition for oral administration or external use and use of same Human Necessities 0 Active
US5204459A Process for preparing carbapenem compounds Emerging Cross-Sectional Technologies 0 Expired
US6727098B2 Biaryl-type compounds, CD color fixing agent and method for determination of absolute configuration Emerging Cross-Sectional Technologies 0 Expired

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