Inventor · disambiguated record
Kouji Yamakata
Also filed as: YAMAKATA KOUJI
3 granted patents·3 pending applications·2 citations·filing 2006–2023
50Inventor score
Top patents by PatentIndex Score
6 records- 0162US11598089B2Partition wallYOSHINO GYPSUM CO·Filed 2019·Granted Mar 7, 2023·2 cites·11 claims
- 0259US2025059757A1Building wall and building wall construction methodYOSHINO GYPSUM CO·Filed 2023·Application pending·0 cites
- 0354US11624185B2Penetration part fireproof coating materialYOSHINO GYPSUM CO·Filed 2018·Granted Apr 11, 2023·0 cites·18 claims
- 0446US2025092672A1Building wallYOSHINO GYPSUM CO·Filed 2023·Application pending·0 cites
- 0540US2010043344A1Composition for building material, and gypsum board and construction method using them and wall and the likeTADA KATSUMI·Filed 2006·Application pending·0 cites
- 0637US11692344B2Fireproof coated structure for penetration partYOSHINO GYPSUM CO·Filed 2018·Granted Jul 4, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →