Junji Usami
8Patents
6h-index
13Co-inventors
56Inventor score
Filing activity: Feb 17, 1989 → Jul 17, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6855109B2 | Portable endoscope | Human Necessities | 60 | Expired |
| US4942866A | Bending control apparatus for endoscope | Human Necessities | 36 | Expired |
| US6402688B1 | Air delivery unit for endoscope | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6193649A | Endoscope air sending device | Human Necessities | 10 | Expired |
| US5488509A | Light source apparatus for endoscope | Physics | 9 | Expired |
| US5219221A | Lamp retainer of light source device for endoscope | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6425292B1 | Air discharge pressure measuring device for endoscope having an air supply tube | Human Necessities | 2 | Expired |
| US6053470A | Unit support structure of an endoscopic light source apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.