Katsuhiko Mutoh
13Patents
7h-index
13Co-inventors
59Inventor score
Filing activity: Oct 12, 1994 → Aug 12, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5443646A | Method and apparatus for forming thin film and multilayer film | Chemistry; Metallurgy | 327 | Expired |
| US6239453A | Optoelectronic material, device using the same, and method for manufacturing optoelectronic material | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6838743B2 | Optoelectronic material, device using the same and method for manufacturing optoelectronic material | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7024307B2 | Map evaluation system, collation device, and map evaluation device | Physics | 31 | Expired |
| US6730934B2 | Optoelectronic material, device using the same and method for manufacturing optoelectronic material | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7031834B2 | Navigation system | Physics | 14 | Expired |
| US7392134B2 | Satellite navigation controller | Physics | 12 | Expired |
| US6384774B1 | GPS receiver and terminal device having search frequency band switching function | Electricity | 6 | Expired |
| US6590527B2 | Navigation system, GPS terminal and navigation method using supplementary data in broadcast radio wave signal | Physics | 5 | Expired |
| US6766246B2 | Portable terminal capable of automatically switching into moderate power consumption mode for receiving data | Physics | 2 | Expired |
| US7711481B2 | Navigation system | Physics | 1 | Active |
| US7002515B2 | GPS receiver using software correlation for acquisition and hardware correlation for tracking | Physics | 1 | Expired |
| US8233868B2 | Radio receiver device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.