YW

Yasuyuki Wagatsuma

KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
Overall (All Time): #759,991 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6491136 Traction type elevator apparatus Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Hisao Yamamoto, Koji Yajima 2002-12-10
6488124 Elevator Kunio Yasuda, Yoshiaki Fujita, Kosei Kamimura, Ikuo Asami, Kiyoshi Kobayashi +5 more 2002-12-03
6443266 Traction type elevator Shin Murakami, Tadashi Shudo 2002-09-03
6390243 Traction type elevator apparatus Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Hisao Yamamoto, Koji Yajima 2002-05-21
6382360 Traction type elevator apparatus Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Hisao Yamamoto, Koji Yajima 2002-05-07
6247557 Traction type elevator apparatus Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Hisao Yamamoto, Koji Yajima 2001-06-19
6234276 Traction type elevator having cable hitches securing cable ends to guide rails Kazuaki Miyakoshi 2001-05-22