Hiroaki Asanuma
16Patents
4h-index
16Co-inventors
57Inventor score
Filing activity: Aug 7, 1998 → Aug 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6131603A | Ti alloy poppet valve and surface treatment thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6354001B1 | Method of manufacturing a Ti alloy poppet value | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6073912A | Al or Al alloy poppet valve and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6691910B2 | Method of joining different metal materials by friction welding | Performing Operations; Transporting | 6 | Expired |
| US6209197A | Method of manufacturing tappet in an internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10571173B2 | Air conditioning system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10955176B2 | Air-conditioning apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6186478A | Al alloy poppet valve | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6592683B2 | Ti alloy surface treatment | Chemistry; Metallurgy | 1 | Expired |
| US10830483B2 | Refrigeration cycle apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US6511045B2 | Ti alloy poppet valve and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6623568B2 | Ti alloy poppet valve and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11175172B2 | Liquid level detection device, accumulator, and air-conditioning apparatus | Physics | 0 | Active |
| US12044444B2 | Refrigeration cycle apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11181303B2 | Air-conditioning apparatus and air-conditioning system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11913664B2 | Air-conditioning apparatus and method of controlling the same | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.