Masaaki Handa
9Patents
6h-index
10Co-inventors
56Inventor score
Filing activity: Dec 21, 1990 → Feb 7, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5171132A | Two-valve thin plate micropump | Performing Operations; Transporting | 365 | Expired |
| US5157699A | Watchdog timer employing plural counters and discriminator for determining normal operating frequency range of input | Electricity | 18 | Expired |
| US5239319A | Micropump supervisory control | Human Necessities | 16 | Expired |
| US6195507A | Data-projection device for disposable cameras | Physics | 15 | Expired |
| US5248904A | Switching regulator soft start circuit | Electricity | 8 | Expired |
| US5854950A | Data recording device for camera and film type camera with lens | Physics | 7 | Expired |
| US5937207A | Data-projection device for disposable cameras | Physics | 6 | Expired |
| US6434336B1 | Data-imprinting apparatus for a lens-equipped film unit | Physics | 0 | Expired |
| US6324342A | Data-projection device for disposable cameras | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.