1
Takeyuki Kawaguchi, Yutaka Taketani, Noriaki Sasaki, Hiroyoshi Minematsu, Yuzuru Hayashi, Shigeyoshi Hara: Semipermeable composite membrane. Teijin, Wenderoth Lind & Ponack, November 24, 1981: US04302336 (84 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of a microporous substrate, said polymeric material being prepared by crosslinking a soluble polymer containing at least 30 mole % of a recurring unit of the formula ##STR1## wherein ...


2
Shigeyoshi Hara, Yuzuru Hayashi, Takeyuki Kawaguchi, Noriaki Sasaki, Yutaka Taketani, Hiroyoshi Minematsu: Semipermeable composite membrane. Teijin, Sughrue Mion Zinn Macpeak & Seas, October 12, 1982: US04353802 (72 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of a microporous substrate, the polymeric material being prepared by crosslinking a soluble polymer containing at least 30 mole % of a recurring unit of the formula ##STR1## wherein ...


3
Noriaki Sasaki, Tetsuro Nakasugi: Energy beam exposure method and exposure apparatus. Kabushiki Kaisha Toshiba, Finnegan Henderson Farabow Garrett & Dunner L, May 24, 2005: US06897454 (22 worldwide citation)

An exposure method using an energy beam exposure apparatus capable of controlling magnitude relation between blurs of energy beam in first and second directions for exposing a pattern on a sample in the apparatus in a state in which the blur of energy beam in one direction of the first and second di ...


4
Takeyuki Kawaguchi, Yutaka Taketani, Hiroyoshi Minematsu, Noriaki Sasaki, Yuzuru Hayashi, Shigeyoshi Hara: Semipermeable composite membrane and process for preparation thereof. Teijin, Wenderoth Lind & Ponack, December 30, 1980: US04242208 (21 worldwide citation)

A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of the microporous substrate, said polymeric material being prepared by interfacial crosslinking of a polymer containing a recurring unit of the formula ##STR1## wherein each of R.su ...


5
Noriaki Sasaki: Freeze valve having multiple heating-cooling means. Doryokuro Kakunenryo Kaihatsu Jigyodan, Wenderoth Lind & Ponack, July 17, 1984: US04460398 (13 worldwide citation)

A freeze valve for a molten glass discharging nozzle is disposed at the bottom of a glass melting furnace. The freeze valve has at least two sets of temperature control units provided around the nozzle and arranged in series in the longitudinal direction of the nozzle, and an ejector for ejecting a ...


6
Noriaki Sasaki, Hiroshi Igarashi, Noboru Endo, Katsumi Inada, Toshio Nakamura, Hirokazu Takeuchi: Electric melting furnace for glassifying high-radioactive waste. Doryoku Kaunenryo Kaihatsu Jigyodan, Nippon Denki Garasu Kabushiki Kaisha, Armstrong Nikaido Marmelstein & Kubovcik, November 1, 1988: US04782497 (13 worldwide citation)

An electric melting furnace for glassifying high-radioactive waste characterized in that, in a furnace for melting glass containing platinum-group elements which has an outlet of glass at the bottom part of a melting tank, the bottom of the furnace surrounding the outlet has an inclination of more t ...


7
Noriaki Sasaki, Kazuhisa Matsunaka: Process of vitrifying radioactive liquid waste with suppressed formation of gaseous ruthenium. Doryokuro Kakunenryo Kaihatsu Jigyodan, Wenderoth Lind & Ponack, July 24, 1990: US04943395 (8 worldwide citation)

An improved process of vitrifying a radioactive liquid waste by absorbing a radioactive liquid waste into a glass frit cartridge made of molded glass fibers and heat-melting the cartridge to vitrify the liquid waste. The invention is characterized by absorbing a radioactive liquid waste containing r ...


8
Keizo Shimada, Hiroshi Mera, Noriaki Sasaki, Akihiro Aoki: Aromatic copolyamide containing 3,4-diphenylene moiety. Teijin, Burgess Ryan and Wayne, November 1, 1983: US04413114 (8 worldwide citation)

An aromatic copolyamide comprising recurring units (A) of the formula (I), (B) of the formula (II) and (C) of the formula (III): ##STR1## wherein in (I), (II) and (III), Ar.sub.1 is phenylene, naphthylene or biphenylene radicals, each having two valence bonds oriented meta; Ar.sub.2 is phenylene, na ...


9
Keizo Shimada, Hiroshi Mera, Noriaki Sasaki, Akihiro Aoki: Aromatic copolyamide containing 3,4-diamino diphenylene moiety. Teijin, Burgess Ryan and Wayne, October 19, 1982: US04355151 (7 worldwide citation)

An aromatic copolyamide comprising recurring units (A) of the formula (I), (B) of the formula (II) and (C) of the formula (III): ##STR1## wherein in (I), (II) and (III) Ar.sub.1 is phenylene, naphthylene or biphenylene radicals, each having two valence bonds oriented meta; Ar.sub.2 is phenylene, nap ...


10
Noriaki Sasaki: Method of ascertaining the state inside melting furnace for radioactive waste. Doryokuro Kakunenryo Kaihatsu Jigyodan, Wenderoth Lind & Ponack, December 27, 1983: US04422326 (4 worldwide citation)

A method of ascertaining the state inside a melting furnace of a radioactive waste, which method comprises: blowing a gas into a molten matter in the melting furnace by using at least two slender tubes disposed at an upper and lower points with a gap .DELTA.h between said points; detecting a back pr ...



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