Hiroki Wada
17Patents
8h-index
31Co-inventors
72Inventor score
Filing activity: Sep 8, 1982 → May 31, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4738229A | Internal combustion engine air intake system with variable effective length | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4738622A | Removable denture retaining structure | Human Necessities | 17 | Expired |
| US7098828B2 | Complex band-pass ΔΣ AD modulator for use in AD converter circuit | Electricity | 13 | Expired |
| US5289684A | Charging pressure control apparatus for an internal combustion engine with a dual turbocharger system | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD722642S1 | Ink bottle for inkjet printer | General | 10 | Active |
| US7227482B2 | Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same | Electricity | 9 | Expired |
| US9387684B2 | Ink jet recording apparatus, ink or solvent cartridge, and bottle included in cartridge | Performing Operations; Transporting | 9 | Active |
| US4731020A | Removable denture retaining structure | Human Necessities | 8 | Expired |
| US4450810A | Device for controlling spark timing and fuel injection of an internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD777250S1 | ROM chip attachment of an ink bottle | General | 5 | Active |
| US4793294A | Apparatus for controlling a variable-effective-length air intake system | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4439153A | Bio-functional denture | Human Necessities | 3 | Expired |
| US10894471B2 | Mounting structure for power conversion device | Performing Operations; Transporting | 1 | Active |
| US9086451B2 | Semiconductor integrated circuit and method for designing the same | Physics | 1 | Active |
| US11122827B2 | Nucleic acid-containing fermented seasoning and method of producing the same | Human Necessities | 0 | Active |
| US10295597B2 | Semiconductor device and scan test method including writing and reading test data | Physics | 0 | Active |
| US10363587B2 | Bristle element for brush and brush roll | Textiles; Paper | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.