1
Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito: Electrically regenerable demineralizing apparatus. Ebara Corporation, Atomic Energy Research Institute, Oblon Spivak McClelland Maier & Neustadt, May 3, 1994: US05308467 (48 worldwide citation)

The improved electrically regenerable demineralizing apparatus uses ion exchangers that are produced by radiation-initiated graft polymerization and that are packed in the demineralizing compartment of an electrodialyzer. The apparatus may use a mosaic ion exchanger that consists of alternately arra ...


2
Takanobu Sugo, Isao Ishigaki, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito: Electrically regenerable demineralizing apparatus. Ebara Corporation, Japan Atomic Energy Research Institute, Oblon Spivak McClelland Maier & Neustadt, June 20, 1995: US05425866 (45 worldwide citation)

The improved electrically regenerable demineralizing apparatus uses ion exchangers that are produced by radiation-initiated graft polymerization and that are packed in the demineralizing compartment of an electrodialyzer. The apparatus may use a mosaic ion exchanger that consists of alternately arra ...


3
Hisashi Katoo, Kunio Fujiwara, Yoshikazu Kawashima: Robot vehicle. Mitsubishi Denki Kabushiki Kaisha, Oblon Fisher Spivak McClelland & Maier, December 3, 1985: US04556940 (43 worldwide citation)

A robot vehicle for automatic operation in a predetermined travelling route comprises a pair of driving wheels connected to a driving device; means for detecting revolving speeds of said driving wheels; means for detecting azimuth of the travelling direction of said robot vehicle; a memory device fo ...


4
Kunio Fujiwara, Gotaro Tanaka, Shiro Kurosaki: Method of manufacturing glass for optical waveguide. Sumitomo Electric, Carothers and Carothers, January 23, 1979: US04135901 (40 worldwide citation)

A method of manufacturing glass rod for optical waveguides is proposed. In this method, several gaseous mixtures or powdery mixtures of materials for glass forming are reacted at a high temperature and deposited on the top or end of a rotating glass rod which is initially deposited on a rotating bas ...


5
Satoshi Shiraishi, Kunio Fujiwara, Shiro Kurosaki: An optical transmission fiber containing fluorine. Sumitomo Electric, Sughrue Rothwell Mion Zinn and Macpeak, April 4, 1978: US04082420 (25 worldwide citation)

A process for producing an optical transmission fiber is provided which comprises feeding highly pure halides, hydrides or organic compounds of Si and B by way of carrier gas on the outer surface of a fused silica rod or a fused silica pipe, or inner surface of a fused silica pipe, oxidizing them an ...


6
Satoshi Shiraishi, Kunio Fujiwara, Shiro Kurosaki: Process for producing optical transmission fiber. Sumitomo Electric, Sughrue Rothwell Mion Zinn and Macpeak, July 17, 1979: US04161505 (21 worldwide citation)

A process for producing an optical transmission fiber is provided which comprises feeding highly pure halides, hydrides or organic compounds of Si and B by way of carrier gas on the outer surface of a fused silica rod or a fused silica pipe, or inner surface of a fused silica pipe, oxidizing them an ...


7
Tsuneo Nakahara, Masao Hoshikawa, Satoshi Shiraishi, Shiro Kurosaki, Kunio Fujiwara: Manufacturing method of an optical waveguide. Sumitomo Electric, Carothers and Carothers, October 31, 1978: US04123483 (21 worldwide citation)

A method of manufacturing an O-ring type optical waveguide wherein a layer of fused silica is formed on the smooth cylindrical surface of an elongated member of fused silica and thereafter a thin layer of doped fused silica having an index of refraction greater than that of said fused silica is form ...


8
Masaji Akahori, Takayoshi Kawamoto, Syu Nakanishi, Shinzi Miura, Toru Akiyama, Takayuki Saito, Kunio Fujiwara, Satoshi Konishi: Electric deionization apparatus. Ebara Corporation, Oblon Spivak McClelland Maier & Neustadt P C, July 23, 2002: US06423205 (20 worldwide citation)

The object of this invention is to provide an electrical deionization apparatus with which various feed water types ranging from water of high ion concentration to water of low ion concentration can be consistently deionized with high efficiency. At least part of cation-exchange membranes and anion- ...


9
Koichi Tsuno, Kunio Fujiwara: Image fibers. Sumitomo Electric, Sughrue Mion Zinn Macpeak and Seas, October 7, 1986: US04615583 (20 worldwide citation)

An image fiber in which the contrast of the viewed image is improved. The image fiber of the invention is composed of a plurality of optical fiber cores with a cladding layer provided around the cores and filled into the spaces between the cores. A primary coating covers the cores and cladding layer ...


10
Takanobu Sugo, Toshihiko Yamada, Hiroyuki Shima, Kunio Fujiwara: Process for producing separation functional fibers and ion-exchange fibers produced therefrom. Ebara Corporation, Japan Atomic Energy Research Institute, Browdy and Neimark, July 21, 1998: US05783608 (17 worldwide citation)

Separation functional fibers are produced by exposing fibers with a core/sheath structure to an ionizing radiation and then grafting a polymerizable monomer to the fibers. Ion-exchange fibers are produced by introducing, through radiation-initiated graft polymerization, ion-exchange groups into the ...