Ichiro Iwai
22Patents
9h-index
33Co-inventors
75Inventor score
Filing activity: Aug 4, 1986 → Feb 27, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5979742A | Friction agitation joining method for joining metallic joining members | Performing Operations; Transporting | 38 | Expired |
| US4991647A | Heat exchanger | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5599467A | Aluminum weldment and method of welding aluminum workpieces | Performing Operations; Transporting | 20 | Expired |
| US5547517A | Brazing agent and a brazing sheet both comprising an aluminum alloy containing a flux | Performing Operations; Transporting | 17 | Expired |
| US5330090A | Brazing agent and a brazing sheet both comprising an aluminum alloy containing a flux | Performing Operations; Transporting | 16 | Expired |
| US5504296A | Method of hot brazing aluminum articles | Performing Operations; Transporting | 15 | Expired |
| US5260142A | Corrosion-resistant clad material made of aluminum alloys | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5021106A | Brazeable aluminum alloy sheet and process of making same | Chemistry; Metallurgy | 11 | Expired |
| US5594930A | Brazeable aluminum material and a method of producing same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6169114A | Endermic liniment containing a thiol compound and zinc oxide | Human Necessities | 8 | Expired |
| US5565117A | Method of resistance-welding workpieces of metal and resistance-welded weldment of metal | Performing Operations; Transporting | 6 | Expired |
| US4852791A | Method for making corrosion resistance heat exchangers | Chemistry; Metallurgy | 5 | Expired |
| US5302342A | Aluminum alloy for heat exchangers | Chemistry; Metallurgy | 5 | Expired |
| US4737206A | Extruded aluminum alloys having improved wear resistance and process for preparing same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4962880A | Method of forming a heat exchanger with components comprising an aluminum alloy containing reduced amounts of magnesium | Chemistry; Metallurgy | 3 | Expired |
| US7632633B2 | Method for determining the degree of protein oxidation in a skin sample using oxidized protein in stratum corneum as an indicator | Physics | 2 | Expired |
| US9607208B2 | Analyzing a skin condition from a video | Physics | 1 | Active |
| US8661675B2 | Process for producing member for heat exchanger and member for heat exchanger | Emerging Cross-Sectional Technologies | 1 | Active |
| US5581799A | Brazeable aluminum material and a method of producing same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9714936B2 | Method for evaluating cosmetic | Physics | 0 | Active |
| US9488590B2 | Method for evaluating cosmetic for effectiveness in improving wrinkles | Physics | 0 | Active |
| US9970848B2 | Method for evaluating state of horny layer and method for evaluating horny layer improvement effect of cosmetic preparation | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.