Inventor
HANDA MASAYOSHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HANDA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SEIKA CHEMICALS
6 patentsUS7737231B2Jun 15, 2010
Process for producing water-absorbing resin
SUMITOMO SEIKA CHEMICALS8 citations82
US9138722B2Sep 22, 2015
Method for producing water-absorbent resin particles
SUMITOMO SEIKA CHEMICALS4 citations71
US8378033B2Feb 19, 2013
Process for production of water-absorbable resin particle, and water-absorbable resin particle produced by the process
SUMITOMO SEIKA CHEMICALS5 citations71
US7868075B2Jan 11, 2011
Water-absorbing resin composition
SUMITOMO SEIKA CHEMICALS6 citations71
US8003210B2Aug 23, 2011
Process for producing water-absorbing resin particles, water-absorbing resin particles made by the process, and absorbent materials and absorbent articles made by using the particles
SUMITOMO SEIKA CHEMICALS4 citations58
US9605094B2Mar 28, 2017
Method for producing water absorbent resin particles
SUMITOMO SEIKA CHEMICALS0 citations39
HANDA MASAYOSHI
3 patentsUS8969497B2Mar 3, 2015
Method for producing water-absorbent resin, and water-absorbent resin obtained by same
HANDA MASAYOSHI0 citations47
US9199218B2Dec 1, 2015
Water absorbing resin particles, method for manufacturing water absorbing resin particles, absorption body, absorptive article, and water-sealing material
HANDA MASAYOSHI0 citations46
US9061269B2Jun 23, 2015
Method for producing water-absorbent resin
HANDA MASAYOSHI0 citations35