Inventor · disambiguated record
Keiichi Wakayama
Also filed as: WAKAYAMA KEIICHI
2 granted patents·1 pending application·21 citations·filing 1987–2011
58Inventor score
Top patents by PatentIndex Score
3 records- 0176US4971861APolyvinyl alcohol fiber and method of manufacture thereofUNITIKA LTD·Filed 1987·Granted Nov 20, 1990·19 cites·15 claims
- 0239US2012307368A1Optical element and method of manufacturing optical elementsTANAKA KOJIRO·Filed 2011·Application pending·0 cites
- 0332US5093063AMethod of producing polyvinyl alcohol fibersUNITIKA LTD·Filed 1989·Granted Mar 3, 1992·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →