Inventor · Tokyo, JP

Mitsuru Ohnuma

17Patents
9h-index
35Co-inventors
68Inventor score

Filing activity: Apr 21, 1981 → Apr 10, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6027247A X-ray photographing apparatus Human Necessities 42 Expired
USD339639S Biochemical analyzer General 42 Expired
USD347396S Mass spectrometer combined with liquid chromatograph General 40 Expired
USD381756S Immunity analyzer General 38 Expired
USD349888S Controller for semi-conductor processing machine General 25 Expired
USD352911S Processing machine for electron beam lithography system General 20 Expired
USD278911S Computer display General 13 Expired
USD380551S Biochemical analayzer General 12 Expired
US6049208A Open type magnetic resonance imaging system which allows for easy access to the patient being examined Human Necessities 9 Expired
USD332314S Clinical chemistry analyzer General 7 Expired
USD352910S Processing machine for electron beam lithography system General 7 Expired
US6236210A Magnetic resonance imaging system Human Necessities 6 Expired
USD340770S Operation station machine for a biochemical analysis General 5 Expired
US6215308A Magnetic resonance imaging system Human Necessities 4 Expired
US6218837A Magnetic resonance imaging system Human Necessities 1 Expired
USD270154S Video disk player General 1 Expired
USD279984S Central processor unit General 0 Expired

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