Mitsuo Ishii
94Patents
16h-index
80Co-inventors
87Inventor score
Filing activity: May 2, 1975 → Sep 22, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5163202A | Dust detector for vacuum cleaner | Human Necessities | 195 | Expired |
| US4988165A | Object lens driving device | Physics | 47 | Expired |
| US6918971B2 | Titanium sheet, plate, bar or wire having high ductility and low material anisotropy and method of producing the same | Chemistry; Metallurgy | 33 | Expired |
| US5313444A | External magnetic field generation apparatus capable of light intensity modulation and magnetic field modulation | Physics | 30 | Expired |
| USD469738S1 | Rotating laser | General | 29 | Expired |
| USD494074S1 | Optical measuring theodolite | General | 24 | Expired |
| USD563246S1 | Roof of rotating laser having telescopic sight | General | 24 | Expired |
| USD723398S1 | Light wave distance measuring theodolite | General | 21 | Active |
| USD409507S | Electro-optical distance-measuring instrument | General | 21 | Expired |
| USD325394S | Motorized adhesive tape dispenser | General | 21 | Expired |
| USD723953S1 | Measuring device for measuring in three-dimension | General | 21 | Active |
| USD609124S1 | Rotating laser | General | 20 | Expired |
| US4465525A | Ferritic stainless steel having excellent formability | Chemistry; Metallurgy | 20 | Expired |
| USD563247S1 | Three-dimensional measuring instrument | General | 19 | Expired |
| USD587149S1 | Laser irradiator | General | 18 | Expired |
| USD684068S1 | Light wave distance measuring theodolite | General | 17 | Active |
| US4995687A | Semiconductor laser device and a method of producing same | Physics | 16 | Expired |
| USD781730S1 | Optical measuring theodolite using light wave | General | 16 | Active |
| USD777588S1 | Optical measuring theodolite using light wave | General | 15 | Active |
| US4104727A | Liquid crystal display calculator construction | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5224068A | Recording method for magneto-optic memory medium | Physics | 15 | Expired |
| USD708970S1 | Laser surveying instrument | General | 15 | Active |
| USD561621S1 | Rotating laser | General | 15 | Expired |
| USD781731S1 | Optical measuring theodolite using light wave | General | 14 | Active |
| USD635038S1 | Rotating laser | General | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.