Inventor · Hitachinaka, JP

Makoto Ibe

13Patents
5h-index
36Co-inventors
66Inventor score

Filing activity: Jun 3, 1987 → Aug 20, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7380253B2 Disk drive apparatus Physics 13 Active
US4823218A Balance compensated rotary magnetic head device Physics 11 Expired
US4833562A Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape Physics 10 Expired
US7383557B2 Recording disk apparatus having regions of constrained thermal conduction Physics 7 Active
US5057944A Multiplex rotating magnetic head system for multiply recording and erasing audio and video signals Electricity 6 Expired
US7543310B2 Optical disk apparatus with openings for discharging air from therein Physics 4 Active
US4959743A Jitter reducing tapered rotary drum for magnetic head apparatus Physics 3 Expired
US5193045A Helical scan type magnetic recording and/or reproducing apparatus having combination type video head and flying erase head for low vibration Physics 2 Expired
US7340754B2 Disk drive device Physics 2 Expired
US5734537A Tape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the same Physics 1 Expired
US8464282B2 Optical disc apparatus with mechanical chassis having a recess Physics 0 Active
US8127322B2 Optical disc drive with main shaft having end portion of particular configuration Physics 0 Active
US8495668B2 Spindle motor attachment structure for a disc drive apparatus Physics 0 Active

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