申请人 |
SAGAMI CHEMICAL RESEARCH CENTER;CENTRAL GLASS COMPANY, LIMITED;HODOGAYA CHEMICAL COMPANY, LIMITED;NIPPON SODA COMPANY, LIMITED;NISSAN CHEMICAL INDUSTRIES, LIMITED;TOYO SODA MANUFACTURING COMPANY, LIMITED |
发明人 |
OMORI, MUNEKI;MIKI, TETSUZO;NARUSHIMA, HIROYUKI;IKARI, TAKAOMI;SAITO, AKEMI;IKUSHIMA, NORIKO;MATSUMOTO, REIKO;WATANABE, KAZUO |