Sumio Okuda
14Patents
3h-index
21Co-inventors
60Inventor score
Filing activity: Jan 20, 1998 → Apr 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6164455A | Process for classifying particulate hydrophilic polymer and sieving device | Performing Operations; Transporting | 23 | Expired |
| US8138292B2 | Method for producing particulate water—absorbing agent composed principally of water absorbing resin | Performing Operations; Transporting | 7 | Active |
| US8513364B2 | Production method of water-absorbent resin | Performing Operations; Transporting | 3 | Expired |
| US8703859B2 | Production method for water-absorbing resin composition | Chemistry; Metallurgy | 1 | Active |
| US10029027B2 | Production method for water-absorbing resin composition | Chemistry; Metallurgy | 0 | Active |
| US9624322B2 | Method of producing water absorbent resin | Physics | 0 | Active |
| US9233186B2 | Process for producing water-absorbing resin | Chemistry; Metallurgy | 0 | Active |
| US10307506B2 | Process for producing water-absorbing resin | Chemistry; Metallurgy | 0 | Active |
| US9051067B2 | Method for producing particulate water-absorbing agent composed principally of water-absorbing resin | Performing Operations; Transporting | 0 | Active |
| US10472429B2 | Package of water absorbent resin powder | Chemistry; Metallurgy | 0 | Active |
| US9453091B2 | Method of producing water absorbent resin | Physics | 0 | Active |
| US9976001B2 | Process for producing water-absorbing resin powder | Chemistry; Metallurgy | 0 | Active |
| US9272068B2 | Process for producing water-absorbing resin | Chemistry; Metallurgy | 0 | Active |
| US10301398B2 | Production method of water absorbent resin powder and package of water absorbent resin powder | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.