Kazuhiro Yoshihara
18Patents
6h-index
38Co-inventors
66Inventor score
Filing activity: Jan 25, 1990 → Mar 1, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5281865A | Flip-flop circuit | Electricity | 129 | Expired |
| US5523622A | Semiconductor integrated device having parallel signal lines | Electricity | 119 | Expired |
| US5572292A | Cartridge life detecting system | Physics | 61 | Expired |
| US7530031B2 | Character input device | Physics | 36 | Expired |
| US5508879A | Charge removal brush | Electricity | 21 | Expired |
| US6344082B1 | Fabrication method of Si nanocrystals | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5021686A | Logic circuit | Electricity | 5 | Expired |
| US7713635B2 | Copper oxide thin film low-friction material and film-forming method therefor | Chemistry; Metallurgy | 2 | Active |
| US8249229B2 | Communication terminal, and dial registration method and dial registration program therefor | Electricity | 2 | Active |
| US5842082A | Image forming apparatus having induced charge density suppressing device for preventing electrostatic hysteresis phenomenon | Physics | 2 | Expired |
| US8019061B2 | Communication terminal, and dial registration method and dial registration program therefor | Electricity | 1 | Active |
| US5192409A | Method of sputtering a mixture of hexagonal boron nitride and stainless steel onto a steel vessel and heating the film so as to precipitate the boron nitride onto the film surface | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8744526B2 | Communication terminal, and dial registration method and dial registration program therefor | Electricity | 0 | Active |
| US7869831B2 | Communication terminal, and dial registration method and dial registration program therefor | General | 0 | Revoked |
| US7869581B2 | Communication terminal, and dial registration method and dial registration program therefor | General | 0 | Revoked |
| US7664498B2 | Apparatus, method, and program for read out information registration, and portable terminal device | Electricity | 0 | Active |
| US8249470B2 | Powder material recovery container, and powder material recovery device and image forming device using powder material recovery container | Physics | 0 | Active |
| US8588857B2 | Communication terminal, and dial registration method and dial registration program therefor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.