Inventor · disambiguated record
Katsuhiko Hamanaka
Also filed as: HAMANAKA KATSUHIKO
6 granted patents·1 pending application·68 citations·filing 1981–2014
83Inventor score
Top patents by PatentIndex Score
7 records- 0181US4563536AMethod for synthesizing trioxaneASAHI CHEMICAL IND·Filed 1982·Granted Jan 7, 1986·12 cites·13 claims
- 0274US4381397AMethod for synthesizing trioxaneASAHI CHEMICAL IND·Filed 1981·Granted Apr 26, 1983·8 cites·4 claims
- 0358US7083726B2Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filterASAHI CHEMICAL IND·Filed 2001·Granted Aug 1, 2006·8 cites·13 claims
- 0455US7128861B2Method for producing hollow yarn filmASAHI KASEI CHEMICALS CORP·Filed 2002·Granted Oct 31, 2006·6 cites·10 claims
- 0554US5143612AHollow fiber filter moduleASAHI CHEMICAL IND·Filed 1991·Granted Sep 1, 1992·21 cites·6 claims
- 0652US2015090648A1Softening apparatus and washing machine including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Application pending·0 cites
- 0749US4332644AProcess for separating trioxaneASAHI CHEMICAL IND·Filed 1981·Granted Jun 1, 1982·13 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →