Kenichi Kojima
9Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: Jul 12, 1977 → Feb 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5759334A | Plasma processing apparatus | Performing Operations; Transporting | 15 | Expired |
| US7129475B2 | Photoelectric encoder and method of manufacturing scales | Physics | 6 | Expired |
| US4089884A | Tris(triorganosilylalkyl) phosphites and method for preparing them | Chemistry; Metallurgy | 3 | Expired |
| US8694138B2 | Sound data processing appartus | Physics | 1 | Active |
| US10816413B2 | Calorific value measuring device and calorific value measuring method | Physics | 1 | Active |
| US10132746B2 | Methane number calculation method and methane number measurement device | Physics | 1 | Active |
| US11456012B1 | Base member, spindle motor, and hard disk drive device | Physics | 1 | Active |
| US11193917B2 | Composition analysis apparatus and composition analysis method | Physics | 0 | Active |
| US7109472B2 | Scale for reflective photoelectric encoder and reflective photoelectric encoder | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.