R&D Activity,Patent and the Value of Invention in the Core vs. New Business:Evidence from New Japanese Inventor Survey
R&D Activity,Patent and the Value of Invention in the Core vs. New Business:Evidence from New Japanese Inventor Survey
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DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
大湾 秀雄
中科院分区:
文献类型:
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作者:
D. Cai;大湾秀雄;大湾秀雄;前川俊一;大湾 秀雄