YC

Yoshikazu Chiba

SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
CL Cxr Limited: 1 patents #5 of 11Top 50%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
TC Toho Gas Co.: 1 patents #14 of 69Top 25%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
📍 Oobu, JP: #16 of 20 inventorsTop 80%
Overall (All Time): #1,643,278 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5623203 Remote field flaw sensor including an energizing coil, first and second receiving coil groups oriented perpendicular and a third receiving coil oriented parallel to pipe Yasuharu Hosohara, Akira Kinoshita, Masanori Akita, Takashi Sumi, Toshihide Kawabe 1997-04-22
5239881 Variable speed geared motor and a series thereof Masayuki Tanigawa, Masanori Egawa, Kiyoji Minegishi 1993-08-31
5220852 Motor-equipped reduction gear device with a pre-stage Hiroyuki Shinoda, Sepp Lachenmaier, Thomas Stapelfeldt 1993-06-22