Ichiro Nakamura
76Patents
23h-index
158Co-inventors
91Inventor score
Filing activity: Feb 12, 1974 → Apr 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4809679A | Forceps plug for endoscopes | Human Necessities | 358 | Expired |
| US5630795A | Cleaning tube apparatus for endoscope | Human Necessities | 246 | Expired |
| US5305759A | Examined body interior information observing apparatus by using photo-pulses controlling gains for depths | Human Necessities | 245 | Expired |
| US5214622A | Information display apparatus | Electricity | 98 | Expired |
| US4175589A | Fluid pressure drive device | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4716897A | Electrosurgical apparatus | Human Necessities | 76 | Expired |
| US4920413A | Blood-vessel endoscope system for storing a frozen picture in synchronization with heart pulsation | Human Necessities | 72 | Expired |
| US6547721B1 | Endoscope capable of being autoclaved | Human Necessities | 68 | Expired |
| US5251356A | Device for cleaning pipe passages of medical devices | Human Necessities | 65 | Expired |
| US5104379A | Medical instrument and valve to be mounted on a mount piece of that instrument | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5147305A | Medical instrument and valve to be mounted on a mount piece of that instrument | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5301656A | Endoscope | Human Necessities | 40 | Expired |
| US5735793A | Endoscope | Human Necessities | 38 | Expired |
| US5674625A | Multilayered water-repellent film and method of forming same on glass substrate | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5413865A | Water-repellent metal oxide film and method of forming same on glass substrate | Chemistry; Metallurgy | 36 | Expired |
| US5869187A | Defogging article and method of producing same | Chemistry; Metallurgy | 34 | Expired |
| US5428342A | Analyzing system for operating condition of electrical apparatus | Physics | 34 | Expired |
| US6767322B1 | Endoscope device | Physics | 28 | Expired |
| US5526928A | Package for packaging a protection cover with channel for endoscope | Performing Operations; Transporting | 28 | Expired |
| US5014748A | Rotary valve | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5856016A | Multilayered water-repellent film and method of forming same on glass substrate | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5323878A | Braking apparatus for elevator cage | Performing Operations; Transporting | 24 | Expired |
| US5244060A | Elevator apparatus | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5266358A | Method of forming water-repellent metal oxide film coated on glass substrate | Chemistry; Metallurgy | 23 | Expired |
| US7137483B2 | Rope and elevator using the same | Textiles; Paper | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.