Comprehensive analysis on the mechanisms of innovation with patent data

2014 Fiscal Year Final Research Report

• Project/Area Number: 23530471
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Business administration
• Research Institution: Nagoya University (2013-2014); Okayama University (2011-2012)
• Principal Investigator: INUZUKA Atsushi 名古屋大学, 経済学研究科(研究院), 准教授 (30377436)
• Project Period (FY): 2011-04-28 – 2015-03-31
• Keywords: 特許情報 / 発明者 / ネットワーク / 技術フロー / 共同発明

Outline of Final Research Achievements

By focusing on inventors, I tried finding the mechanisms or conditions under which they are likely to create inventions efficiently. The main findings are as follows:
(1) From the analyses on activation of patents (status of the examination request, duration of the patent rights) or on their technology flow, notable differences among companies were found. (2) By creating co-invention networks among inventors, I analyzed the effect of network position or tie-forming strategy of inventors. The results showed that having in-direct ties has a positive effect on inventors’ productivity. (3) As a cross-part study, I tried combining empirical data and patent data in Japanese automobile industry and confirmed that suppliers’ performance is highly embedded in their network.

Free Research Field

経営学