Inventor
YOKOYAMA ITARU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA ITARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOSHINO GYPSUM CO
4 patentsUS9458025B2Oct 4, 2016
Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
YOSHINO GYPSUM CO4 citations69
US10968624B2Apr 6, 2021
Gypsum panel and method for producing gypsum panel
YOSHINO GYPSUM CO2 citations62
US12392133B2Aug 19, 2025
Interior building materials
YOSHINO GYPSUM CO0 citations50
US10654754B2May 19, 2020
Gypsum composition for dry-curing coating material, gypsum-based coating material, and construction method for gypsum-based coating material
YOSHINO GYPSUM CO0 citations40
OTSUKA KAGAKU KABUSHIKI KAISYA
2 patentsUS7955472B2Jun 7, 2011
Interior construction material having deodorizing activity
OTSUKA KAGAKU KABUSHIKI KAISYA1 citations46
US7604853B2Oct 20, 2009
Building material for interiors having odor elilinating property and interior structure of building using the same
OTSUKA KAGAKU KABUSHIKI KAISYA1 citations46