Inventor · Hirakata, JP

Yoshikazu Goto

80Patents
14h-index
57Co-inventors
87Inventor score

Filing activity: Jul 19, 1990 → Mar 22, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6172962A Disk cartridge with finger-like holding members and three-part supporting feature Physics 46 Expired
US5150343A Miniaturized low-power-consumption optical head provided with a state transformation mechanism Physics 40 Expired
US5867476A Cartridge adaptor and a cartridge to be accommodated in the cartridge adaptor Physics 27 Expired
US5936935A Disk cartridge having a locking means and cartridge coupling means Emerging Cross-Sectional Technologies 26 Expired
US5761186A Disk centering device Physics 25 Expired
US6683834B2 Information recording method, information recording/reproducing apparatus, and information recording medium Physics 21 Expired
US5515358A Disk cartridge and method for constructing the same Physics 20 Expired
US6215761A Disk cartridge Physics 20 Expired
US5917803A Disk cartridge capable of taking out a disk Physics 20 Expired
US5214630A Optical head having light transmissive carriage Physics 18 Expired
US6078563A Disk cartridge capable of taking out a disk Physics 18 Expired
USD357239S Optical disk cartridge General 17 Expired
US5715233A Cartridge adaptor and a cartridge to be accommodated in the cartridge adaptor Physics 17 Expired
US5923630A Cartridge adaptor and a cartridge to be accommodated in the cartridge adaptor Physics 16 Expired
US5428473A Mirror driving apparatus for optical disk drive Physics 12 Expired
US6463029B1 Disc cartridge including a disc holder with a flexible member Physics 12 Expired
US6044058A Adaptor cartridge for mounting a second disk in a device designed to mount a first-disk cartridge Physics 11 Expired
USD359039S Optical disk cartridge General 11 Expired
US5764622A Recording medium cartridge and signal recording apparatus Physics 11 Expired
US8005037B2 Communication control method, radio base station, and radio control station Electricity 8 Active
US5898659A Disk reproducing apparatus and compatible cartridge used with the same Physics 7 Expired
US8139534B2 Mobile communication method, mobile communication system and radio base station Electricity 7 Active
US5671210A Magnet type clamping mechanism and disc driving apparatus using the same Physics 6 Expired
US6430147B1 Disk cartridge and adapter Physics 6 Expired
US6215760A Method and apparatus for using a disk cartridge with pull-out type case Emerging Cross-Sectional Technologies 6 Expired

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