Hirotoshi Ohno
30Patents
11h-index
8Co-inventors
68Inventor score
Filing activity: Oct 1, 1981 → Oct 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6507557B1 | Optical recording medium and recording method therefor | Physics | 25 | Expired |
| USD902401S1 | Operating grip for endoscope | General | 19 | Active |
| USD909575S1 | Operating grip for endoscope | General | 18 | Active |
| USD905241S1 | Operating grip for endoscope | General | 17 | Active |
| USD873413S1 | Operating grip for endoscope | General | 16 | Active |
| USD802132S1 | Controller for a gas feeder for an endoscope | General | 15 | Active |
| USD801525S1 | Controller for a gas feeder for an endoscope | General | 14 | Active |
| USD828575S1 | Medical immunoassay device | General | 13 | Active |
| USD970004S1 | Operating grip for endoscope | General | 12 | Active |
| USD819216S1 | Work table for endoscope | General | 12 | Active |
| USD819811S1 | Control device for gas feeder for endoscope | General | 12 | Active |
| USD970005S1 | Operating grip for endoscope | General | 11 | Active |
| USD820446S1 | Control device for gas feeder for endoscope | General | 11 | Active |
| USD970006S1 | Operating grip for endoscope | General | 11 | Active |
| US4455514A | Control circuit for a brushless DC motor | Electricity | 10 | Expired |
| USD783165S1 | Gas feeder for endoscope | General | 10 | Active |
| USD845470S1 | Operating grip for endoscope | General | 10 | Active |
| US4429261A | Apparatus for controlling the tension of a cassette tape | Physics | 9 | Expired |
| US6628602B2 | Optical information recording medium | Physics | 9 | Expired |
| USD768569S1 | Battery charger for medical equipment | General | 9 | Active |
| US4713590A | Control circuit for DC brushless motor producing constant output torque | Electricity | 8 | Expired |
| US7212483B2 | Modulation device, modulation method and recording medium | Physics | 6 | Expired |
| USD796038S1 | Gas feeder for endoscope | General | 6 | Active |
| USD769815S1 | Battery charger for X-ray digital imaging device | General | 5 | Active |
| US4471272A | Circuit for controlling the speeds of two capstans | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.