Yasuhiro Oki
46Patents
10h-index
84Co-inventors
78Inventor score
Filing activity: Jan 14, 1976 → Mar 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8556400B2 | Inkjet recording ink | Chemistry; Metallurgy | 39 | Active |
| US6811597B2 | Ink composition, recording medium, inkjet recording method, and recording | Chemistry; Metallurgy | 16 | Expired |
| US7211132B2 | Ink set | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5542829A | Scroll compressor | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6676735B2 | Aqueous ink | Chemistry; Metallurgy | 15 | Expired |
| US6511530B2 | Compressor with oil separator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4889567A | High strength and high toughness steel bar, rod and wire and the process of producing the same | Chemistry; Metallurgy | 13 | Expired |
| US5807089A | Scroll type compressor with a reinforced rotation preventing means | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7303616B2 | Ink composition, ink jet recording method and recorded article | Chemistry; Metallurgy | 12 | Expired |
| US7083669B2 | Ink composition, inkjet recording method using the same and recorded matter | Chemistry; Metallurgy | 12 | Expired |
| US5575866A | Hot rolled steel wire rod, fine steel wire and twisted steel wire | Textiles; Paper | 10 | Expired |
| US6761759B2 | Ink composition, ink jet recording method and recorded matter | Chemistry; Metallurgy | 10 | Expired |
| US7276111B2 | Ink composition, inkjet recording method and recorded matter | Chemistry; Metallurgy | 8 | Expired |
| US7279034B2 | Ink composition, ink cartridge, inkjet recording method, and recorded matter | Chemistry; Metallurgy | 8 | Expired |
| US9650529B2 | Ink jet for printing, ink jet ink set, and printing method | Textiles; Paper | 6 | Active |
| US5547353A | Scroll type compressor with elliptical spiral element | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5795141A | Scroll type compressor having anti-rotation pin members | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7691192B2 | Ink composition, and ink jet recording method and recorded matter using the same | Chemistry; Metallurgy | 4 | Expired |
| US8496746B2 | Ink composition and ink jet recording method using the same | Chemistry; Metallurgy | 4 | Active |
| US5634363A | Method of mechanical descaling and mechanical descaling equipment | Performing Operations; Transporting | 4 | Expired |
| US5249940A | Scroll compressor having a magnet pressing the moving scroll member axially | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5842844A | Scroll type compressor with improved rotation preventing means | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4029524A | Heat treating process for a rod within a fluidized bed | Chemistry; Metallurgy | 3 | Expired |
| US8227222B2 | Method and apparatus for producing hydrogen and microorganism-immobilization pellets used in the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US8857965B2 | Ink compostion, recording method using the same and recorded material | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.