Inventor · Nagano, JP

Yuichi Takei

20Patents
6h-index
18Co-inventors
66Inventor score

Filing activity: Jul 14, 1998 → Mar 30, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8238736B2 Optical unit with shake correcting function and photographic optical device Electricity 24 Active
US8279289B2 Optical unit with shake correcting function Electricity 24 Active
US9332188B2 Optical unit with shake correcting function Physics 22 Active
US8396357B2 Optical unit with shake correction function, optical apparatus, and method of manufacturing optical unit with shake correction function Emerging Cross-Sectional Technologies 14 Active
US8224169B2 Optical unit with shake correcting function Electricity 13 Active
US6445671B1 Optical pickup device having a shielding protection Physics 7 Expired
US6125092A Optical head assembly Physics 6 Expired
US8406617B2 Photographic optical device Electricity 5 Active
US8571399B2 Photographic optical device Electricity 4 Active
US9151964B2 Optical unit with shake correcting function Physics 4 Active
US7986873B2 Optical unit with shake correcting function and shake correction control method therefor Electricity 4 Active
US6552317B1 Optical pickup device Physics 4 Expired
US7724449B2 Lens drive device and coil winding method Electricity 4 Active
US7990631B2 Lens drive device, spring member and manufacturing methods therefor Emerging Cross-Sectional Technologies 2 Active
US6151288A Optical head assembly Physics 2 Expired
US8102612B2 Lens driving device Physics 1 Active
US6577564B2 Optical pickup device Physics 0 Expired
US11915868B2 Actuator and manufacturing method of actuator to reduce coil wire disconnection Electricity 0 Active
US7990633B2 Lens driving apparatus Physics 0 Active
US9041816B2 Optical unit with shake correcting function Physics 0 Active

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