Tohoku University ranked third in the "University / Research Institute Other Companies' Checking Power Ranking 2015".For universities and research institutes, the number of cases cited as reasons for refusal to patents of other companies in the patent examination process was tabulated by institution (* 3).It was announced by Patent Results Co., Ltd., which develops, sells, and provides information such as technological capability evaluation indexes, and possesses a large number of prior arts that are obstacles to the acquisition of rights by competitors in the latest technological development. Reveal the advanced institutions that are.
集計の結果、2015年に最も引用された機関は、産業技術総合研究所の1,255件、次いで科学技術振興機構の572件、東北大学の276件となった。以下東京大学（247件 第4位）、東京工業大学（206件 第6位）、京都大学（192件 第10位）もランクインしている。
The two most cited patents at Tohoku University are the patent related to "transistor" and the patent related to "Water Jet Female" jointly owned with Seiko Epson.Each is cited as a reason for refusal in the examination process of seven subsequent patents.
In 2015, the number of companies most affected by Tohoku University's patents was 14 at Semiconductor Energy Laboratory, which is far behind Seiko Epson's 9 cases and Sony, Toshiba, and Toyota Motor's 7 cases each. There is.
(* 1) About the target of ranking aggregation
Of all the patents filed with the Japan Patent Office and published by December 2015, the patent cited as the reason for refusal (notice of reasons for refusal or decision of refusal) during the period from January 12 to the end of December 2015. extract.
