MI

Makoto Ishijima

HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HC Hitachi Kenki Fine Tech Co.: 1 patents #12 of 29Top 45%
📍 Omitama, JP: #2 of 9 inventorsTop 25%
Overall (All Time): #1,406,596 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11220803 Construction machine Seiji Ishida, Kenta TANIGAKI 2022-01-11
9431879 Generator motor and electric vehicle using same Satoshi Kikuchi, Seiji Ishida, Tsutomu Miyoshi, Itsuro Sawada, Shigenori Aoki 2016-08-30
6698291 Ultrasonic inspection apparatus Noboru Yamamoto, Ken Takeuchi, Naoya Kawakami, Toshiyuki Hebaru, Tohru Miyata 2004-03-02