Hideki Osaka
59Patents
15h-index
78Co-inventors
87Inventor score
Filing activity: Feb 17, 1994 → Apr 24, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6034878A | Source-clock-synchronized memory system and memory unit | Physics | 323 | Expired |
| US6125419A | Bus system, printed circuit board, signal transmission line, series circuit and memory module | Physics | 144 | Expired |
| US5638402A | Fast data transfer bus | Electricity | 102 | Expired |
| US7466577B2 | Semiconductor storage device having a plurality of stacked memory chips | Electricity | 67 | Active |
| US5774656A | Information processing system and method and service supplying method for use within a network | Physics | 62 | Expired |
| US6108731A | Information processor and method of its component arrangement | Physics | 54 | Expired |
| US6438012B1 | Directional coupling memory module | Physics | 44 | Expired |
| US6094674A | Information processing system and information processing method and quality of service supplying method for use with the system | Physics | 43 | Expired |
| US7448880B2 | Multilayer printed circuit board for high-speed differential signal, communication apparatus, and data storage apparatus | Electricity | 39 | Active |
| US6978328B1 | Bus system, memory system, printed circuit board and directional coupler | Electricity | 30 | Expired |
| US7095661B2 | Semiconductor memory module, memory system, circuit, semiconductor device, and DIMM | Physics | 30 | Expired |
| US6496886B1 | Directional coupling bus system using printed board | Electricity | 23 | Expired |
| US8049303B2 | Semiconductor device with power noise suppression | Emerging Cross-Sectional Technologies | 23 | Active |
| US5821767A | Information processing apparatus and backboard having on backboard side matching resistors suited to modules connected thereto | Electricity | 23 | Expired |
| US6654270B2 | Directional coupling memory module | Physics | 19 | Expired |
| US5787261A | Data transfer system, computer system and active-line inserted/withdrawn functional circuit board | Physics | 15 | Expired |
| US7257725B2 | Memory system | Physics | 14 | Expired |
| US5462442A | Module for information processing apparatus using stacked printed circuit boards and connector for stacking printed circuit boards | Electricity | 14 | Expired |
| US6519640B2 | Accessible network of performance index tables | Physics | 13 | Expired |
| US6983023B2 | Data transmission system of directional coupling type using forward wave and reflection wave | Electricity | 11 | Expired |
| US6600790B1 | Gap-coupling bus system | Electricity | 9 | Expired |
| US7187069B2 | Semiconductor device | Electricity | 8 | Expired |
| US7505285B2 | Main board for backplane buses | Electricity | 8 | Active |
| US6924651B2 | Printed board inspecting apparatus | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9569144B2 | DRAM with SDRAM interface, and hybrid flash memory module | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.