Hitachi, Ltd.

Hitachi Kyowa Engineering Co., Ltd.

Hitachi Plant Technologies, Ltd.

Tsutomu Tsuyama

Sadao Shimoyashiro

Norihide Saho

Hisashi Isogami

Akio Honji

Akira Mochizuki

Hayahito Ishii

Chikaaki Yamaguchi

Toshio Namiki

Koichi Higano

Toshimasa Harada

Masao Sakata

Shigeru Sato

Takemasa Iwasaki

Tetsuro Adachi

Kozo Izui

Ako Shose

Mitsuzo Morito

Kayo Tsunekawa

A treatment method of organic compounds included in waste water, comprising the steps of:

Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water

Method of treating organic compounds in wastewater

The present invention enables analysis of customer needs with a high level of precision, not by indicating whether the customer opinions are positive or negative, but by quantitatively indicating their levels of importance. An information processor storing customer opinion information containing document data expressing opinions of customers in natural language, includes: a morphological analysis unit which parses document data into individual words, correlates each individual word to a grammatical part of speech, and outputs resultant data; a syntactic analysis unit which uses the data outputted from the morphological analysis unit to analyze content of the document; a clustering unit which uses the processing results from the syntactic analysis unit to categorize and output the customer opinion information according to predetermined customer needs; an evaluative word definition unit which receives, from a user, a setting of a keyword for evaluating the customer needs and an evaluation value for the keyword; and a tally processing unit which calculates a score indicating level of importance of the customer need, by using the customer opinion information categorized by the customer needs, along with the keyword and evaluation value set for the keyword.

Information processor, customer need-analyzing method and program

A computer-implemented method and system for diagnosing and system for diagnosing and analyzing fault information of a product is carried out by (a) creating a fault tree representing causal relations between faults and causes thereof base on information of past faults and information concerning the structure and characteristics of the product, and storing the fault tree in a storage unit, the fault tree having branches allocated with weighting coefficients; (b) inputting new fault information of the product into the computer; (c) searching the fault tree in accordance with the weighting coefficients based on the fault information stored in the storage unit to thereby determine the cause of the fault; (d) generating and outputting information concerning an adjustment or repair of the product suffering from the fault based on the determined cause of the fault as well as the information concerning the structure and the characteristics of the product; (e) supplying information concerning the timing of the occurrence of the fault, symptoms appearing in the fault, the cause of the fault and the adjustment and repair data to a host computer through a data collecting station to thereby construct a database for the fault information; and (f) the quality of the product based on all or a part of information of the database.

Method and system for diagnosis and analysis of products troubles

An equipment is diagnosed by monitoring a career of operations of the equipment necessary for diagnosing the equipment and a condition of the equipment during the operation, monitoring information on equipment operations and information on variations in operation of the equipment having started operation for a data gathering purpose, selecting some of the gathered data, classifying the selected data based on rules, computing characteristics of variations in equipment state during the operation of the equipment and diagnosing the data on the basis of criterion references for the characteristics prescribed by the rules as an equipment diagnostic procedure.

Diagnostic support system and diagnostic system of equipment

An integrated quality control method and system for explaining failure causes of a product. Information relating to failure of the product and measures taken to correct the failure as well as information relation to manufacture and distribution of the product are collected and inputted for storage in a data base. The information relating to the failure and measures taken to correct the failure is combined with the information relating to the manufacture and distribution of the product and the combined information is analyzed for enabling an estimate of causes of the failure of the product and a trend of possible failures.

Integrated quality control method and system

Growing community of inventors

Yokohama, Japan

Tsutomu Tsuyama