Nobuhiro Koike
17Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Jun 19, 1990 → Sep 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6567345B1 | Clocking device | Physics | 27 | Expired |
| US6370087B1 | Time measurement device and time measurement method | Physics | 18 | Expired |
| US6466518B1 | Time measurement device | Physics | 13 | Expired |
| US5339297A | Switching arrangement for applying battery voltage to circuitry block in an analog timepiece | Physics | 11 | Expired |
| US7215603B2 | Clocking apparatus | Physics | 9 | Expired |
| US6724692B1 | Time measurement device and method | Physics | 9 | Expired |
| US5042016A | Analog timepiece | Physics | 8 | Expired |
| US5214625A | Setting mechanism for an analog timepiece | Physics | 7 | Expired |
| US6973010B1 | Timepiece device | Electricity | 6 | Expired |
| US6097672A | Display device and watch with same | Physics | 5 | Expired |
| US5617376A | Gear train structure of an electronic watch | Physics | 3 | Expired |
| US5506820A | Gear train structure of an electronic watch | Physics | 2 | Expired |
| US7364352B2 | Time measurement device and method | Physics | 1 | Expired |
| US10809665B2 | Timepiece movement | Physics | 1 | Active |
| US9019802B2 | Solar-powered electronic timepiece | Physics | 0 | Active |
| US10908556B2 | Timepiece movement and timepiece | Physics | 0 | Active |
| US11022940B2 | Timepiece movement and timepiece | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.