QD

Qingzhu Duan

CC Clarion Co.: 3 patents #176 of 721Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #1,158,446 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11086924 Image search device and image search method Yuki Watanabe, Kenichi Morita, Atsushi Hiroike, Tomokazu Murakami 2021-08-10
9804821 Interaction history management device, interaction device and interaction history management method Takaaki Sekiguchi, Yasushi Nagai 2017-10-31
9426273 Program expanding system, server for use therein, program expanding method and program managing program Atsushi Shimizu, Takashi Matsumoto, Takaaki Sekiguchi, Mitsunori MARU, Haruhiko Sawajiri 2016-08-23
9218812 Vehicular device, server, and information processing method Atsushi Shimizu, Takaaki Sekiguchi, Yasushi Nagai, Haruhiko Sawajiri, Takashi Yamaguchi 2015-12-22