Tadao Hagino
19Patents
18h-index
60Co-inventors
77Inventor score
Filing activity: Jun 29, 1981 → Aug 14, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4979952A | Ultrasonic vibration treatment apparatus | Performing Operations; Transporting | 1,396 | Expired |
| US5836897A | Ultrasonic treatment apparatus | Human Necessities | 589 | Expired |
| US5529580A | Surgical resecting tool | Human Necessities | 370 | Expired |
| US5391144A | Ultrasonic treatment apparatus | Human Necessities | 337 | Expired |
| US4589414A | Surgical cutting instrument | Human Necessities | 325 | Expired |
| US5047043A | Resecting device for living organism tissue utilizing ultrasonic vibrations | Human Necessities | 281 | Expired |
| US5042460A | Ultrasonic treating apparatus with device for inhibiting drive when ultrasonic element is determined to be defective | Human Necessities | 258 | Expired |
| US5163433A | Ultrasound type treatment apparatus | Human Necessities | 250 | Expired |
| US5076276A | Ultrasound type treatment apparatus | Human Necessities | 236 | Expired |
| US4867138A | Rigid electronic endoscope | Human Necessities | 211 | Expired |
| US4905082A | Rigid video endoscope having a detachable imaging unit | Human Necessities | 122 | Expired |
| US4960106A | Endoscope apparatus | Physics | 118 | Expired |
| US5211625A | Ultrasonic treatment apparatus | Human Necessities | 97 | Expired |
| US4989588A | Medical treatment device utilizing ultrasonic wave | Human Necessities | 78 | Expired |
| US5035231A | Endoscope apparatus | Human Necessities | 75 | Expired |
| US5122904A | Operating microscope with drape and suction means for removing air from the drape | Human Necessities | 52 | Expired |
| US5688235A | Ultrasonic treatment apparatus | Human Necessities | 31 | Expired |
| US4416268A | Endoscope having two detachable armour tubes | Human Necessities | 28 | Expired |
| US5387190A | Probe break detector for an ultrasonic aspirator | Human Necessities | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.