Masahiko Kinukawa
13Patents
10h-index
35Co-inventors
68Inventor score
Filing activity: Apr 7, 1988 → Aug 5, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6434416B1 | Surgical microscope | Human Necessities | 391 | Expired |
| US6661571B1 | Surgical microscopic system | Human Necessities | 182 | Expired |
| US8221304B2 | Operation microscope | Human Necessities | 89 | Expired |
| US5122904A | Operating microscope with drape and suction means for removing air from the drape | Human Necessities | 52 | Expired |
| US5748366A | Surgical microscope | Human Necessities | 39 | Expired |
| US5579772A | Surgical microscope system | Physics | 31 | Expired |
| US5227914A | Stereomicroscope including a single variable magnification optical system | Physics | 19 | Expired |
| US7076286B2 | Surgical microscope | Human Necessities | 17 | Expired |
| US5552929A | Stereomicroscope | Electricity | 13 | Expired |
| US5048941A | Surgical miscroscope with a modular stand | Physics | 12 | Expired |
| US4878746A | Surgical microscope apparatus | Physics | 9 | Expired |
| US5805335A | Operating microscope | Human Necessities | 9 | Expired |
| US7162292B2 | Beam scanning probe system for surgery | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.