Inventor · disambiguated record
Ikumi Kawaguchi
Also filed as: KAWAGUCHI IKUMI
4 granted patents·16 citations·filing 1984–2008
68Inventor score
Technology areasG02B
Top patents by PatentIndex Score
4 records- 0156US8557377B2Photochromic optical elementMORI KATSUHIRO·Filed 2007·Granted Oct 15, 2013·2 cites·14 claims
- 0253US4602075AMonomeric mixture for cured polymeric material used in organic glassTOKUYAMA SODA KK·Filed 1984·Granted Jul 22, 1986·12 cites·10 claims
- 0351US8852737B2Coating composition and photochromic optical articleKAWAGUCHI IKUMI·Filed 2008·Granted Oct 7, 2014·2 cites·11 claims
- 0427US4647639AMonomeric mixture for cured polymeric material used in organic glassTOKUYAMA SODA KK·Filed 1986·Granted Mar 3, 1987·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →