RI

Ryuji Iijima

SK Seiko Seiki Kabushiki Kaisha: 2 patents #27 of 125Top 25%
JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
Overall (All Time): #1,333,584 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12320306 Electricity generation system and aircraft Hiroshi Kobayashi, Shunsuke NOGUCHI, Akira Nishizawa 2025-06-03
5105137 Numerical control device for a grinding machine 1992-04-14
5027280 Machining apparatus having a main spindle supported by magnetic bearings Shigenori Ando 1991-06-25