Yoshiaki Maeda
36Patents
9h-index
55Co-inventors
78Inventor score
Filing activity: Jun 20, 1989 → Apr 4, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5066762A | Thermoplastic polyurethane resin from p-phenylene diisocyanate, a poly(hexamethylene carbonate) polyol, and a short chain polyol | Chemistry; Metallurgy | 55 | Expired |
| US8266973B2 | Automatic sampler and method for injecting sample | Physics | 17 | Active |
| US7195229B2 | Automatic sampler | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4971755A | Method for preparing powder metallurgical sintered product | Performing Operations; Transporting | 15 | Expired |
| US5021534A | Thermosetting urethane elastomer | Chemistry; Metallurgy | 11 | Expired |
| US5476534A | Iron-based powder mixture and method | Performing Operations; Transporting | 10 | Expired |
| US7487876B2 | Particles with silver carried and producing method thereof | Chemistry; Metallurgy | 10 | Active |
| US8770046B2 | Autosampler with control unit for performing a cleaning operation | Physics | 10 | Active |
| US5462577A | Water-atomized iron powder and method | Performing Operations; Transporting | 9 | Expired |
| US7337654B2 | Method of forming a needle for auto-sampler | Emerging Cross-Sectional Technologies | 8 | Active |
| US5194586A | Anti-ATLA antibody binding peptides | Chemistry; Metallurgy | 8 | Expired |
| US7219566B1 | Automatic sampler | Physics | 6 | Expired |
| US5279640A | Method of making iron-based powder mixture | Performing Operations; Transporting | 6 | Expired |
| US8567441B2 | Sample introduction device | Emerging Cross-Sectional Technologies | 6 | Active |
| US5534045A | Water-atomized iron powder and method | Performing Operations; Transporting | 6 | Expired |
| US8234939B2 | Sample introduction method | Physics | 5 | Active |
| US8794052B2 | Liquid chromatograph | Physics | 5 | Active |
| US5458670A | Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder | Chemistry; Metallurgy | 4 | Expired |
| US7980119B2 | Auto-sampler cleaning mechanism | Physics | 4 | Active |
| US9671376B2 | Flow path switching valve | Emerging Cross-Sectional Technologies | 4 | Active |
| US5507853A | Iron powder and mixed powder for powder metallurgy as well as method of producing iron powder | Chemistry; Metallurgy | 3 | Expired |
| US7376705B2 | Method and system for restricting content redistribution | Physics | 2 | Expired |
| US9606033B2 | Autosampler | Physics | 2 | Active |
| US8522627B2 | Automatic sampler for liquid chromatograph | Physics | 1 | Active |
| US8739610B2 | Sample injection port and auto-sampler having the same | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.