Yoshimasa Seo
10Patents
5h-index
17Co-inventors
63Inventor score
Filing activity: Feb 1, 1985 → Mar 30, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6028220A | Producing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactor | Performing Operations; Transporting | 37 | Expired |
| US5959143A | Catalysts and process for the preparation thereof | Performing Operations; Transporting | 31 | Expired |
| US5929275A | Catalyst and process for producing unsaturated aldehyde and unsaturated acid | Performing Operations; Transporting | 19 | Expired |
| US6762148B2 | Catalyst process of making | Performing Operations; Transporting | 12 | Expired |
| US4925980A | Process for producing methacrylic acid and a catalyst | Performing Operations; Transporting | 12 | Expired |
| US7825061B2 | Catalyst for producing methacrylic acid and preparation method thereof | Performing Operations; Transporting | 5 | Expired |
| US7849992B2 | Bill deposit machine | Physics | 2 | Expired |
| US6812188B2 | Catalyst for methacrylic acid production, coated catalyst, and process for producing the same | Performing Operations; Transporting | 2 | Expired |
| US8088947B2 | Method for producing methacrolein and/or methacrylic acid | Performing Operations; Transporting | 2 | Active |
| US7642214B2 | Catalyst for oxidation of alkane, process for preparing thereof and process for producing unsaturated oxygen-containing compound | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.