Inventor · Kasai, JP

Kazushi Torii

52Patents
8h-index
61Co-inventors
77Inventor score

Filing activity: Jan 24, 2002 → Dec 4, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7638570B2 Water-absorbing agent Emerging Cross-Sectional Technologies 31 Expired
US7098284B2 Water-absorbing agent and production process therefor, and water-absorbent structure Performing Operations; Transporting 23 Expired
US7803880B2 Water absorbent and producing method of same Chemistry; Metallurgy 19 Active
US8383746B2 Water absorbing resin with improved internal structure and manufacturing method therefor Emerging Cross-Sectional Technologies 15 Active
US8198209B2 Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent Emerging Cross-Sectional Technologies 12 Active
US7960469B2 Water absorbent resin composition and production method thereof Human Necessities 9 Expired
US8497226B2 Water absorbent and producing method of same Chemistry; Metallurgy 9 Active
US7750085B2 Water-absorbing agent and its production process Emerging Cross-Sectional Technologies 8 Active
US7879923B2 Method for surface-treatment of water absorbent resin Chemistry; Metallurgy 7 Active
US9533433B2 Gel pulverization device, method for manufacturing polyacrylic acid (polyacrylate) superabsorbent polymer powder, and superabsorbent polymer powder Chemistry; Metallurgy 6 Active
US7981833B2 Aqueous-liquid-absorbing agent and its production process Chemistry; Metallurgy 5 Active
US8252715B2 Water-absorbing agent and production method thereof Chemistry; Metallurgy 5 Active
US8735646B2 Diaper with improved body fit Human Necessities 5 Active
US7872076B2 Particulate water-absorbent resin composition and its production process Chemistry; Metallurgy 5 Active
US7919564B2 Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent Chemistry; Metallurgy 4 Active
US8247491B2 Water-absorbent resin composition and its production process Human Necessities 4 Active
US8257610B2 Water absorbing agent and production method thereof Chemistry; Metallurgy 4 Active
US8765906B2 Method for producing polyacrylic acid (salt) type water absorbent resin powder Chemistry; Metallurgy 3 Active
US9447203B2 Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder Emerging Cross-Sectional Technologies 3 Active
US6881792B2 Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof Emerging Cross-Sectional Technologies 3 Expired
US11224857B2 Method for manufacturing water absorbing agent Chemistry; Metallurgy 2 Active
US7402643B2 Water-absorbent resin having treated surface and process for producing the same Chemistry; Metallurgy 2 Expired
US10300458B2 Water-absorbable resin powder, and method for determining elastic modulus of water-absorbable resin powder Chemistry; Metallurgy 1 Active
US9102804B2 Production method for water-absorbing resin powder Chemistry; Metallurgy 1 Active
US10603653B2 Super absorbent polyacrylic acid (salt)-based resin powder, method for manufacturing same, and method for evaluating same Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.