Much attention has been given to science & technology rapidly again. Following this the needs to dedicated information meeting individual purposes such as science & technology information have been enlarged, and use of new tools to process and disseminate such information has increased. Based on a wealth of experiences by the author this paper discusses effective gathering and sorting of science & technology information, and describes on-line data bases of which potency is different among U.S.A., European countries and Japan, and their use. The principles of information gathering and sorting according to the author's own way are also descried, which would be a help to raise creativity.

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The article was written for the 25th Anniversary Special Issue of this journal. Information is qualified as technical information. Its strategy is worked out by the Government or enterprises, and in information industries it becomes strategy of an enetrprise exactly. Starting to discuss information issues at the age of introducing technology into our country the author stresses effective use of inhouse information in the time characterized by independant technological development and that codification of a company's own technology becomes more significant for the purposes such as technology transfer. As information medium has been transferred from paper to data communication, new matters such as monopoly of data bases occurred. However, keeping pace with technological progress they will be diversified. Full-scale innovation will be generated by on-lined dissemination of primary information. Herein the labor imposed on authors will increase. Publishers will gradually decline, while electronic information distribution centers will rise. At that age linguistic disadvantage of Japanese language seems to be lessen.

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PATOLIS which was opened as a kanji on-line retrieval system in Dec. of 1978 has newly included Kana on-line system since Oct. of 1980, has been improved drastically. This paper describes the present status of PATOLIS which deals with information concerning four Acts on Industrial Proprietary Rights in Japan such as patents, and foreign patent information in U.S.A. and other fifty countries (including two international organizations), and schedule of new services, that is, public Kanji on-line, graphic output and so on.

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The trend problems to be solved of documentation in China are explained concerning the subjects as follows : administration of archives, in which the matters peculier to China are involved ; persons of ability as document administrator ; foreign documents ; disclosure of science & technology literature ; distribution and technical aspects.

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The information retrieval system which prepares the bibliographical information data base expressed in Kanji and provides it through on-line, and the system to access the data base for private use were developed. They are characterized by (1) easy manipulation for various kinds of users, but versatile searching functions, (2) automatic extraction of words and the function of preparing and updating the data base, and (3) input and output of data expressed in Kanji.

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