Yoshio Irie
61Patents
26h-index
67Co-inventors
91Inventor score
Filing activity: May 30, 1974 → Jun 11, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4666983A | Absorbent article | Chemistry; Metallurgy | 358 | Expired |
| US4286082A | Absorbent resin composition and process for producing same | Emerging Cross-Sectional Technologies | 355 | Expired |
| US4734478A | Water absorbing agent | Chemistry; Metallurgy | 287 | Expired |
| US4625001A | Method for continuous production of cross-linked polymer | Chemistry; Metallurgy | 158 | Expired |
| US5574121A | Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate | Emerging Cross-Sectional Technologies | 125 | Expired |
| US5532323A | Method for production of absorbent resin | Human Necessities | 117 | Expired |
| US5281683A | Process for producing water-absorbent resin | Chemistry; Metallurgy | 116 | Expired |
| US5264495A | Method for production of salt-resistant absorbent resin | Chemistry; Metallurgy | 80 | Expired |
| US5250640A | Method for production of particulate hydrogel polymer and absorbent resin | Chemistry; Metallurgy | 80 | Expired |
| US6562879B1 | Water-absorbent resin powder and its production process and use | Chemistry; Metallurgy | 62 | Expired |
| US5135677A | Process for producing acid-type maleic acid polymer and water-treating agent and detergent additive containing said polymer | Chemistry; Metallurgy | 61 | Expired |
| US5275773A | Method for production of particulate hydrated gel polymer and absorbent resin | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5124416A | Method for production of absorbent polymer | Performing Operations; Transporting | 54 | Expired |
| US5478879A | Method for production of absorbent resin | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6207796A | Production process for hydrophilic polymer | Chemistry; Metallurgy | 42 | Expired |
| US4920202A | Method for production of hydrophilic polymer from hydrated gel polymer | Chemistry; Metallurgy | 40 | Expired |
| US5229488A | Method for manufacture of an absorbent resin | Chemistry; Metallurgy | 39 | Expired |
| US7473739B2 | Particulate water absorbent agent and production method thereof, and water absorbent article | Chemistry; Metallurgy | 39 | Expired |
| US5064563A | Process for producing and use of maleic acid (co-) polymer salt improved in biodegradability | Chemistry; Metallurgy | 36 | Expired |
| US6388000B1 | Method for production of hydrophilic resin | Human Necessities | 35 | Expired |
| US5369148A | Method for continuous agglomeration of an absorbent resin powder and apparatus therefor | Chemistry; Metallurgy | 35 | Expired |
| US4985514A | Method for production of water absorbent resin | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6817557B2 | Process for transporting, storing, and producing a particulate water-absorbent resin | Chemistry; Metallurgy | 31 | Expired |
| US5298570A | Biodegradable hydrophilic crosslinked polymer, process for producing it, and uses thereof | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6906159B2 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them | Chemistry; Metallurgy | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.