"Takeshi Kitagawa,SHUICHI SHIBATA,Masaharu Horiguchi","Fabrication of Single-Mode Optical Fiber Preforms by Sol-Gel Method",,"Electronics and Communications in Japan, Part II: Electronics",,"Vol. 73","No. 6","pp. 22-28",1990,
"北川毅,柴田修一,堀口正治","ゾルゲル法による単一モード光ファィバ母材の作製",,"電子情報通信学会論文誌",,"Vol. 72","No. 1","pp. 403",1989,
"北川毅,柴田修一,堀口正治","ゾルゲル法による光ファイバ母材の作製","電子通信情報学会創立70周年記念総合全国大会","電子情報通信学会",,,,"  No1081",1987,
"Takeshi Kitagawa,S. Shibata,Masaharu Horiguchi","Wholly Synthesised Fluorine-Doped Silica Optical Frbers by Sol-Gel Method.",,"Electronics Letters",,"Vol. 23","No. 24","pp. 1295",1987,
"北川毅,柴田修一,堀口正治","ゾルゲル法による光ファイバの作製ーガラス化条件の検討ー","昭和62年度電子情報通信学会半導体・材料部門全国大会","電子情報通信学会",,,,"  No417",1987,
"S. Shibata,Takeshi Kitagawa,Fumiaki Hanawa,Masaharu Horiguchi","Fabrication of SiO2-GeO2 Core Optical Fibers by the Sol-Gel Method.",,"J. Non-Crystalline Solids",,"Vol. 88",,"pp. 345",1986,
"柴田修一,北川毅,塙文明","ゾルゲル法によるフッ素添加ガラスの作製","昭和61年度電子通信学会総合全国大会","電子通信学会",,,,"  No1146",1986,
"S. Shibata,Takeshi Kitagawa","Fabrication of SiO<sub>2</sub>-GeO<sub>2</sub> Glass by Sol-Gel Method",,"Jpn. J. Appl. Phys.",,"Vol. 25","No. 4","pp. L323-L324",1986,
"S. Shibata,Takeshi Kitagawa,Fumiaki Hanawa,Masaharu Horiguchi","Fabrication of F-Doped Silica Glasses by the Sol-Gel Method",,"Jpn. J. Appl. Phys.",,"Vol. 25","No. 11","pp. L902-L904",1986,
"柴田修一,北川毅","ゾルゲル液相添加法によるフッ素添加石英ガラスの作製","昭和61年度電子通信学会光・電波部門全国大会","電子通信学会",,,,"  No363",1986,