TK

Takashi Kadowaki

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Engineering & Services Co.: 2 patents #17 of 129Top 15%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #1,259,391 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7075398 Electromagnet and actuating mechanism for switch device, using thereof Ayumu Morita, Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata 2006-07-11
6940376 Electromagnet and actuating mechanism for switch device, using thereof Ayumu Morita, Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata 2005-09-06
6816048 Electromagnet and actuating mechanism for switch device, using thereof Ayumu Morita, Yasuaki Suzuki, Masato Yabu, Tooru Tanimizu, Yozo Shibata 2004-11-09
4450725 Electromagnetic-acoustic measuring apparatus Hisao Yamaguchi, Kazuo Fujisawa, Susumu Itoh, Soji Sasaki, Ichiya Sato 1984-05-29