RY

Ryutaro Yamamoto

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Ebeye: #1,220 of 4,528 inventorsTop 30%
Overall (All Time): #1,282,572 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6005213 Insulated type switchgear device Ayumu Morita, Takashi Sato, Youichi Ohshita, Tooru Tanimizu, Masayoshi Hayakawa +1 more 1999-12-21
5952636 Vacuum type switch gear device having L shaped stationary and movable conductors arrangement Ayumu Morita, Takashi Sato, Youichi Ohshita, Tooru Tanimizu, Masayoshi Hayakawa +1 more 1999-09-14
5892645 Protection system for power receiving station Yoshiyasu Watanabe, Toru Tanimizu, Kazuo Kano, Yasunobu Kanou, Toshio Horikoshi +2 more 1999-04-06
5398964 Starting device for air bag 1995-03-21