Inventor · Toyama, JP

Hisaaki Chaki

10Patents
6h-index
19Co-inventors
59Inventor score

Filing activity: Sep 8, 1992 → Nov 13, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5280032A 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Chemistry; Metallurgy 11 Expired
US5658904A 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same Chemistry; Metallurgy 10 Expired
US5612381A 1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the same Chemistry; Metallurgy 10 Expired
US5472984A 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same Chemistry; Metallurgy 9 Expired
US7772285B2 Benzophenone derivatives or salts thereof Chemistry; Metallurgy 9 Active
US5719150A 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Chemistry; Metallurgy 9 Expired
US7314888B1 Compounds and medicinal use thereof Emerging Cross-Sectional Technologies 5 Expired
US5872117A 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same Chemistry; Metallurgy 5 Expired
US5380878A Benzo[b]thiophen-5-yl derivative and process for producing the same Emerging Cross-Sectional Technologies 1 Expired
US6384065B1 Spiro compounds or salts thereof and preventives/remedies for autoimmune diseases and AP-1 inhibitors containing the same Human Necessities 1 Expired

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