HN

Hirofumi Niitsuma

AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
Overall (All Time): #1,543,607 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8476542 Input device Yasuji Hagiwara, Hayato Hosoya, Kazunori Nakano 2013-07-02
7414612 Analog input device Kazutoshi Watanabe, Junichi Inamuara, Isao Sato 2008-08-19
5164712 X-Y direction input device 1992-11-17