Kachu Ishizuka
4Patents
4h-index
7Co-inventors
43Inventor score
Filing activity: Aug 3, 1981 → May 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4443107A | Optical displacement sensor | Physics | 12 | Expired |
| US5746515A | Dynamic-pressure gas bearing | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4843942A | Guitar pick | Physics | 10 | Expired |
| US5997180A | Circumferential flow type dynamic pressure bearing | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.