Inventor · Hitachinaka, JP

Akira Osada

30Patents
10h-index
38Co-inventors
75Inventor score

Filing activity: Sep 30, 1985 → Jul 11, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5372873A Multilayer coated hard alloy cutting tool Emerging Cross-Sectional Technologies 47 Expired
US5363942A Braking device for an elevator Performing Operations; Transporting 36 Expired
US5920760A Coated hard alloy blade member Emerging Cross-Sectional Technologies 36 Expired
US6207262A Coated cemented carbide endmill having hard-material-coated-layers excellent in adhesion Emerging Cross-Sectional Technologies 21 Expired
US5436071A Cermet cutting tool and process for producing the same Emerging Cross-Sectional Technologies 20 Expired
US5576093A Multilayer coated hard alloy cutting tool Emerging Cross-Sectional Technologies 20 Expired
US7597511B2 Surface-coated cutting tool with hard coating layer having excellent abrasion resistance Emerging Cross-Sectional Technologies 15 Active
US6093479A Coated hard alloy blade member Emerging Cross-Sectional Technologies 14 Expired
US7442433B2 Surface-coated cermet cutting tool with hard coating layer exhibiting excellent chipping resistance in high-speed intermittent cutting Emerging Cross-Sectional Technologies 12 Active
US4969104A Diagnosis arrangement for vehicle engine controller Mechanical Engineering; Lighting; Heating 10 Expired
US4697559A Method of controlling an air-fuel ratio for an internal combustion engine Mechanical Engineering; Lighting; Heating 8 Expired
US5589223A Process for producing cermet cutting tools having both longitudinal and granular crystal structures Emerging Cross-Sectional Technologies 6 Expired
US4872117A Apparatus for controlling an air-fuel ratio in an internal combustion engine Mechanical Engineering; Lighting; Heating 4 Expired
US6502384B1 Side thruster of flying object Mechanical Engineering; Lighting; Heating 4 Expired
US7763346B2 Surface coated cutting tool made of cermet having property-modified α type Al2O3 layer of hard coating layer Emerging Cross-Sectional Technologies 3 Active
US8828527B2 Surface-coated cutting tool Emerging Cross-Sectional Technologies 2 Active
US7422806B2 Surface-coated cermet cutting tool with hard coating layer having excellent chipping resistance in high-speed intermittent cutting work Emerging Cross-Sectional Technologies 2 Expired
US5735463A Jetavator for rocket engine Mechanical Engineering; Lighting; Heating 2 Expired
US4719894A Exhaust gas reflux apparatus Emerging Cross-Sectional Technologies 2 Expired
US9452478B2 Surface-coated cutting tool having therein hard coating layer capable of exhibiting excellent chipping resistance during high-speed intermittent cutting work Emerging Cross-Sectional Technologies 1 Active
US7655299B2 Surface-coated cutting tool made of hard metal and manufacturing method for same Emerging Cross-Sectional Technologies 1 Active
US7348051B2 Surface-coated cermet cutting tool with hard coating layer having excellent chipping resistance Emerging Cross-Sectional Technologies 1 Expired
US11047273B2 Oil pan Mechanical Engineering; Lighting; Heating 0 Active
US9415446B2 Surface coated cutting tool Emerging Cross-Sectional Technologies 0 Active
US9797040B2 Surface coated cutting tool Performing Operations; Transporting 0 Active

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