Inventor · Tokyo, JP

Kenji Koga

14Patents
4h-index
28Co-inventors
60Inventor score

Filing activity: Nov 24, 1978 → May 22, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6605297B2 Substances having antiobese and visceral fat-reducing functions and utilization thereof Human Necessities 27 Expired
US5976606A Process for producing DHA-containing tofu or soybean milk drink, or dry powder thereof Human Necessities 10 Expired
US8205699B2 Automotive vehicle having engine air guide passage Mechanical Engineering; Lighting; Heating 6 Active
US4831288A Direct parallel connection circuit of self-turn-off semiconductor elements Electricity 5 Expired
US7556010B2 Multicylinder internal combustion engine with resonator Emerging Cross-Sectional Technologies 4 Active
US5075296A Azacyclooctadiene compound and pharmaceutical use Chemistry; Metallurgy 1 Expired
US4338255A Modified lithium aluminum hydrides Chemistry; Metallurgy 1 Expired
US9802386B2 Product having plurality of components fixed to each other by adhesive Emerging Cross-Sectional Technologies 1 Active
US4418218A Process for producing dihydronaphthalene derivatives Chemistry; Metallurgy 1 Expired
US9675964B2 Noble metal-oxide combined nanoparticle, and, method of producing the same with high purity Chemistry; Metallurgy 0 Active
US10344191B2 Photocurable adhesive Chemistry; Metallurgy 0 Active
US4212828A Novel process for asymmetric synthesis of optically active 2-alkanoyl-1,2,3,4-tetrahydro-2-naphthol compounds Chemistry; Metallurgy 0 Expired
US9445611B2 Soy milk containing fibrous material and tofu-like food, processes for production of those products, and dehulled soybean powder material Human Necessities 0 Active
US4501700A Preparation of optically active 4-demethoxydaunomycinone Chemistry; Metallurgy 0 Expired

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