Patents/Inventors

Kouji Yamakata

Chiyoda-kuJP2 patents

3 Patents

US116923442023
Fireproof Coated Structure for Penetration Part
Yoshino Gypsum Co., Ltd.
0 cites
US116241852023
Penetration Part Fireproof Coating Material
YOSHINO GYPSUM CO., Ltd.
0 cites
US115980892023
Partition Wall
YOSHINO GYPSUM CO., Ltd.
0 cites