Inventor · disambiguated record
Itaru Yokoyama
Also filed as: YOKOYAMA ITARU
8 granted patents·4 pending applications·17 citations·filing 2001–2023
81Inventor score
Files withYOSHINO GYPSUM CO7OTSUKA KAGAKU KABUSHIKI KAISYA2KAWASAKI KASEI CHEMICALS1TADA KATSUMI1YOKOYAMA ITARU1
Top patents by PatentIndex Score
12 records- 0183US9458025B2Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the processYOSHINO GYPSUM CO·Filed 2013·Granted Oct 4, 2016·4 cites·12 claims
- 0276US8529863B2Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the processYOKOYAMA ITARU·Filed 2009·Granted Sep 10, 2013·5 cites·16 claims
- 0375US10968624B2Gypsum panel and method for producing gypsum panelYOSHINO GYPSUM CO·Filed 2016·Granted Apr 6, 2021·2 cites·3 claims
- 0459US7955472B2Interior construction material having deodorizing activityOTSUKA KAGAKU KABUSHIKI KAISYA·Filed 2009·Granted Jun 7, 2011·1 cites·1 claims
- 0557US12392133B2Interior building materialsYOSHINO GYPSUM CO·Filed 2023·Granted Aug 19, 2025·0 cites·15 claims
- 0657US6638356B2Gypsum-based building materialKAWASAKI KASEI CHEMICALS·Filed 2002·Granted Oct 28, 2003·4 cites·16 claims
- 0753US7604853B2Building material for interiors having odor elilinating property and interior structure of building using the sameOTSUKA KAGAKU KABUSHIKI KAISYA·Filed 2001·Granted Oct 20, 2009·1 cites·9 claims
- 0847US2022112716A1Board for building with magnetic layerYOSHINO GYPSUM CO·Filed 2019·Application pending·0 cites
- 0944US10654754B2Gypsum composition for dry-curing coating material, gypsum-based coating material, and construction method for gypsum-based coating materialYOSHINO GYPSUM CO·Filed 2016·Granted May 19, 2020·0 cites·20 claims
- 1041US2019323234A1Gypsum-based building material with magnetic layer, magnetic joint material, method for fabricating gypsum-based building material with magnetic layerYOSHINO GYPSUM CO·Filed 2017·Application pending·0 cites
- 1140US2010043344A1Composition for building material, and gypsum board and construction method using them and wall and the likeTADA KATSUMI·Filed 2006·Application pending·0 cites
- 1239US2020080320A1Interior building materialsYOSHINO GYPSUM CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →