Kouichi Maruta
7Patents
4h-index
27Co-inventors
57Inventor score
Filing activity: Nov 29, 1995 → Aug 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6566981B2 | Surface acoustic wave device having plural ground conductor films in the housing cavity | Electricity | 35 | Expired |
| US7392706B2 | Pressure sensor device | Physics | 8 | Expired |
| US7301255B2 | Surface acoustic wave apparatus and communications device | Electricity | 6 | Expired |
| US5616528A | Dielectric ceramic composition, multilayer resonator made of said composition and multilayer filter using said resonator | Chemistry; Metallurgy | 4 | Expired |
| US8344781B2 | Power amplification device, and transmission device and communication device using same | Electricity | 1 | Active |
| US10286665B2 | Liquid ejection head and recording device using same | Performing Operations; Transporting | 0 | Active |
| US12124749B2 | Image processing device having a VPN processing unit that connects to a VPN using authentication information obtained through UI unit for acquiring workflow using terminal address, information processing system and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.