Inventor · Koshigaya, JP

Mitsuru Ida

20Patents
6h-index
15Co-inventors
62Inventor score

Filing activity: Dec 22, 1981 → Apr 20, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5706353A Recording and/or reproducing apparatus Physics 54 Expired
US5120211A Slip casting device Performing Operations; Transporting 12 Expired
US4630149A Compact cassette tape player with capstan drive motor under spindle Emerging Cross-Sectional Technologies 12 Expired
US5867355A Recording and/or reproducing apparatus with external controller and headset and separate take-up reels therefor Electricity 11 Expired
US4453189A Tape transport mechanism for cassette tape player Physics 10 Expired
US5677585A Motor Electricity 8 Expired
US4799116A Apparatus for controlling an auto-reverse tape recorder having a mode-changing mechanism Physics 6 Expired
US4661865A Battery holder of single head minimum size cassette tape player Physics 6 Expired
US5018401A Translation cam means Emerging Cross-Sectional Technologies 6 Expired
US4604662A Automatic mode-change mechanism for tape recorder Physics 5 Expired
US4511941A Cassette tape apparatus with adjustable head positioning characteristics Physics 5 Expired
US4623946A Mode changing mechanism for cassette tape recording and/or reproducing apparatus Physics 5 Expired
US4701816A Capstan friction drive apparatus of tape recorder Mechanical Engineering; Lighting; Heating 4 Expired
US4739423A Cassette tape recording and/or reproducing apparatus including an improved head base assembly Physics 4 Expired
US4542431A Mode changing mechanism for cassette tape player Physics 2 Expired
US5029036A Normal/reverse mode changing mechanism for tape transport apparatus Physics 1 Expired
US6208607A Disk loading apparatus with interlocked shutter mechanism, elevator mechanism and eject mechanism Physics 1 Expired
US5097367A Cassette holding structure for a cassette tape player Physics 1 Expired
US4839759A Tape bed and mode-changing mechanism arrangement for thin cassette type recorder Physics 1 Expired
US4491287A Pushbutton actuated cassette tape transport Physics 0 Expired

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