Mitsui Chemicals, Inc.

Mitsubishi Pencil Kabushiki Kaisha

Fujitsu Corporation

Mitsui Toatsu Chemicals, Incorporated

Nsk Corporation

Nissan Motor Company Limited

Mitsubishi Pencil Company, Limited

Kotobuki Co., Ltd.

Hopnic Laboratory Co., Ltd.

Seiichi Kobayashi

Yoshinobu Kanemura

Mamoru Tanaka

Akinori Ryu

Hidetoshi Hayashi

Nobuya Kawauchi

Hiroyuki Morijiri

Chitoshi Shimakawa

Masao Imai

Shigetoshi Kuma

Tomoyuki Ando

Kenichi Fujii

Katsuyoshi Sasagawa

Toshiyuki Suzuki

Nobuo Kawato

Masakazu Murakami

Koju Okazaki

Kazuhiko Furukawa

Osamu Kohgo

Masanori Iwazumi

Hironori Kuboi

Kazuaki Matsumoto

Toru Kitao

Mamoru Takashina

Toru Takagi

Masaru Kawaguchi

Yusuke Kobayashi

Munehito Funaya

Hideaki Kawada

Hiroaki Koyama

Takaaki Sekine

Yoshimitsu Aiiso

Koichi Tokunaga

Shigeo Shinohara

Takeshi Senba

Shigeru Okumura

Tamotsu Oumi

Michiharu Sakata

Hisashi Iida

Keiji Kashimoto

Norihiko Fukatsu

Atsushi Ooshima

Tetsuya Kodama

Hidehei Kageyama

Teruyuki Nagata

Yoshio Noguchi

Atsuo Otsuji

Takeshi Kobayashi

Shigeru Endo

Hiroshi Naruse

Mitsuo Nakamura

Taro Asao

Atsushi Horikoshi

Shinichi Usugi

Isao Fukada

Hitoshi Nakamura

Akira Matsuura

Yosuke Mito

Yasuhiro Shimizu

Hiroki Mizutani

Hiroyuki Kamio

Tamotsu Eguchi

Makoto Ono

Tadashi Koriki

Hideki Yamamoto

Hiroyuki Mutou

Mitsuru Sakai

Naoki Sekiguchi

Yoko Tajiri

Souichi Takahashi

Ichiro Miura

Naoki Sekuguchi

Yoshiharu Kobayashi

Touru Miura

Homare Yumoto

Junichi Ishiyama

Shinya Tsuchiyama

Naoki Hyoudou

Mitsuo Shimoda

Ryuji Haseyama

An abnormality determination apparatus of the present invention acquires state data from work equipment provided with an attaching part to which a plural kinds of work parts are attached in a replaceable manner, identifies the kind of a work part attached to the attaching part, sets, corresponding to the identified kind of the work part, abnormality determination data for determining an abnormality of the work equipment, acquires, from among state data acquired from the work equipment, state data of a time when the identified kind of the work part was being attached, and compares the acquired state data with the set abnormality determination data to determine an abnormality of the work equipment.

Abnormality determination apparatus, abnormality determination system, and abnormality determination method

An abnormality determination device includes an input unit to which a device-condition signal output from an operating device is input, a first memory configured to store a determination algorithm for determining a predetermined abnormality of the operating device, an abnormality determination unit configured to determine the predetermined abnormality of the operating device in accordance with the device-condition signal and the determination algorithm, an output unit configured to output a determination result regarding the predetermined abnormality made by the abnormality determination unit to a user, an operation unit configured to receive an input of true-or-false information of whether the determination result is correct from the user, and an update unit configured to update the determination algorithm in accordance with the true-or-false information.

Abnormality determination device and abnormality determination method

A polymerizable composition for an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane.

Polymerizable composition for optical material, optical material and method for producing optical material

A polymerizable composition for polythiourethane optical materials comprising a compound represented by the general formula (1),M(L)n&#x2003;&#x2003;(1)

Polymerizable composition for polythiourethane optical material

The plastic polarized lens () of the present invention contains a polarized film () and layers (resin layers) (and) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (), and the polarized film contains an organic coloring compound represented by the following general formula (1). 

Plastic polarized lens, method for producing the same, and polarized film

A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided.

Polymerizable composition for optical material, optical material, and method for producing optical material

A resin composition for an optical material that has excellent balance of refractive index of resin, Abbe number, heat resistance, specific gravity, and resin strength, a resin obtained by curing the resin composition, and an optical material are provided. A polymerizable composition comprising the following is used:  

Polyurethanes polymerizable composition and method for producing optical resin of the same

Disclosed is a metal compound represented by the following formula (0): 

Metal compound, polymerizable composition containing the same, resin, method for producing the resin, and use of the resin

A process for producing bis(thietanylthio)dithiastannolane of the following formula: involving the reaction of tetrakis(thietanylthio)tin having the following formula: with 1,2-ethandiethiol.

Process for producing bis(thietanylthio)dithiastannolane

A polymerizable composition including a compound represented by following General Formula (1): 

Polymerizable composition, and resin and optical part using the same

By using an amine hydrochloride represented by the formula (1) as a catalyst, a polythiourethane resin which is suitably used for a transparent resin for optical use, can be obtained without using an organotin compound which has been conventionally used as a catalyst for polythiourethane resins and without being affected by the acidity of an additive: wherein R, Rand Rindependently represent a monovalent or higher valent linear aliphatic, branched aliphatic, cyclic aliphatic or aromatic organic residue which may have a hydroxyl group or an amino group; and R, Rand Rmay be arbitrarily bonded to each other to form a ring.

Polymerization catalyst for polythiourethane optical material, polymerizable composition containing the same, polythiourethane resin obtained from the composition, and process for producing the resin

The polymerization catalyst for a polythiourethane-based optical material of the present invention includes a sulfonate represented by the following general formula (1). Furthermore, in the formula, R, R, Rand Reach independently represent an alkyl group having 1 to 18 carbon atoms, R, R, Rand Rmay be bonded to each other to form a ring. Rrepresents a hydrogen atom or an alkyl group having 1 to 18 carbon atoms, and X represents a nitrogen atom or a phosphorus atom. 

Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing the optical material

The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.

Polymerizable composition for optical material, optical material, and method for preparing the optical material

Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: and wherein the identified moieties and n, p, q and r are defined.

Metal thietane compound, polymerizable composition containing the compound, resin and use of the resin

The composition of the present invention contains a product having a thiol group obtained by reacting an Sb or Bi oxide or an Sb or Bi halide with at least one kind of polythiol compounds selected from compounds having at least two thiol groups in a molecule.

Composition, polymerizable composition, resin, optical component, and method for producing the composition

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Omuta, Japan

Seiichi Kobayashi