Inventor · disambiguated record
Koichi Dan
Also filed as: DAN KOICHI
3 granted patents·1 pending application·33 citations·filing 2002–2010
71Inventor score
Top patents by PatentIndex Score
4 records- 0189US7182870B2Hollow fiber membrane and method of producing the sameTORAY INDUSTRIES·Filed 2005·Granted Feb 27, 2007·21 cites·12 claims
- 0280US7504034B2Hollow fiber membrane and method of producing the sameTORAY INDUSTRIES·Filed 2006·Granted Mar 17, 2009·8 cites·8 claims
- 0378US9056956B2Polyethylene terephthalate composition, manufacturing method therefor, and polyethylene terephthalate filmKOJIMA HIROJI·Filed 2010·Granted Jun 16, 2015·4 cites·20 claims
- 0441US2003094409A1Hollow fiber membrane and method of producing the sameTORAY INDUSTRIES·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →