1
Kishiro Iwasaki, Susumu Era, Hisao Yokokura, Tadao Nakata, Akio Mukoh: Ferroelectric liquid crystal cell with rubbed polyimide alignment layer. Hitachi, Antonelli Terry & Wands, January 6, 1987: US04634228 (39 worldwide citation)

Orientation control films are coated on a pair of transparent substrates on the side contiguous to the ferroelectric liquid crystal layer and rubbed for aligning molecules thereof. The films are made of a polyimide polymer prepared by ring closure by heating and dehydrating of a polyamic acid which ...


2
Akio Nishikawa, Masashi Shitara, Susumu Era, Toshiaki Fukushima, Hiroshi Suzuki, Hisashi Kohkame: Ether imides and process for producing the same. Hitachi, Antonelli Terry and Wands, July 17, 1984: US04460783 (32 worldwide citation)

An ether imide of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and D are as defined in the specification produced by reacting a diamine with an ethylenically unsaturated dicarboxylic acid can give a composition together with one or more unsaturated polyesters, e ...


3
Hisao Yokokura, Katsumi Kondo, Yasuo Hanawa, Susumu Era, Kishiro Iwasaki, Tadao Nakata, Masato Isogai, Teruo Kitamura, Akio Mukoh, Yasuhiko Kando: Ferroelectric liquid crystal element with particular alignment film and a method for manufacturing the same. Hitachi, Antonelli Terry & Wands, July 26, 1988: US04759614 (16 worldwide citation)

The element comprises a pair of transparent substrates, a pair of light-transmitting electrodes each provided on the respective substrates, a ferroelectric liquid crystal layer disposed between the pair of substrates and orientation control films for the molecules of the ferroelectric liquid crystal ...


4
Hisao Yokokura, Tadao Nakata, Susumu Era, Yasuo Hanawa, Kishiro Iwasaki, Teruo Kitamura, Akio Mukoh, Toshikazu Narahara, Yasuhiko Kando, Shunichi Numata, Kooji Fujisaki: Liquid crystal polyimide alignment free of scattering domains. Hitachi, Antonelli Terry & Wands, November 1, 1988: US04781439 (14 worldwide citation)

A liquid crystal display element comprising a pair of substrates, a pair of electrodes provided on the respective substrates, at least one of which is transparent and a liquid crystal layer disposed between said substrates, the liquid crystal layer comprising a nematic liquid crystal, which exhibits ...


5
Fusaji Shoji, Susumu Era, Hisashi Kogame, Tatsuo Ito, Koichi Kakefuda, Kiyoyuki Suzue: Process for producing high impact and weather resistant graft copolymers. Hitachi Chemical Company, Craig & Antonelli, May 15, 1979: US04154777 (13 worldwide citation)

High impact and weather resistant graft copolymers are produced by a two-stage process comprising (I) carrying out bulk or suspension polymerization of a mixture obtained by impregnating a substantially non-polar rubber-like polymer having iodine value of 2 to 40 with a mixture of an aromatic vinyl ...


6
Ken Nanaumi, Fusaji Shoji, Hisashi Kohkame, Susumu Era: Aromatic polyamides containing ether linkages and process for producing same. Hitachi, Craig and Antonelli, July 14, 1981: US04278786 (10 worldwide citation)

A heat-resistant polyamide polymer having melt-moldability is obtained by reacting an aromatic diamine having the general formula: ##STR1## with an equivalent amount of aromatic dicarboxylic acid dihalide in an organic solvent in the presence of an aqueous solution of an alkali-metal hydroxide. When ...


7
Seiji Tai, Nobuyuki Hayashi, Koichi Kamijima, Mitsuo Katayose, Takayuki Akimoto, Shigeru Hayashida, Hideo Hagiwara, Susumu Era, Setsuo Kobayashi, Akio Mukoh: Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof. Hitachi, Hitachi Chemical, Antonelli Terry Stout & Kraus, January 16, 1996: US05484685 (8 worldwide citation)

A naphthalocyanine derivative of the formula: ##STR1## wherein M, Y, R.sup.1, k, l, m, n are as defined in the specification, is an effective substance for forming a recording layer on a substrate of an optical recording medium having high sensitivity with good properties.


8
Susumu Era, Setsuo Kobayashi, Akio Mukoh: Novel naphthalocyanine dye, method for preparing the same, and optical information recording medium employing the same. Hitachi Chemical Company, Antonelli Terry & Wands, May 22, 1990: US04927735 (7 worldwide citation)

Disclosed are a novel naphthalocyanine dye shown in the specification, a method for preparing the same, and an optical information recording medium employing the same.


9
Seiji Tai, Shigeru Hayashida, Nobuyuki Hayashi, Hideo Hagiwara, Mitsuo Katayose, Koichi Kamijima, Takayuki Akimoto, Susumu Era, Setsuo Kobayashi, Akio Mukoh: Naphthalocyanine derivatives and their use in optical recording medium. Hitachi Chemical, Hitachi, Antonelli Terry Stout & Kraus, July 23, 1991: US05034309 (7 worldwide citation)

Novel naphthalocyanine derivatives are disclosed in the specification are useful for forming a recording layer in an optical recording medium. These derivatives are represented by the following formula (I): ##STR1## in which k, l, m and n, which may be the same or different, are zero or integers of ...


10
Susumu Era, Toshio Matsumoto, Yoshinori Kobayashi, Masashi Shitara, Isamu Hattori, Yoshihiro Nomura: Impact modifier, thermoplastic resin composition using the same and molded article obtained therefrom. Hitachi Chemical Company, Antonelli Terry Stout & Kraus, January 19, 1993: US05180786 (6 worldwide citation)

An impact modifier obtained by emulsion polymerizing acrylic monomer(s), etc., in the presence of a conjugated diene rubber to give a graft rubber polymer, or obtained by polymerizing acrylic monomer(s) and the like ethylenically unsaturated monomers in the presence of the graft rubber polymer, is e ...