YH

Yuuzoo Hiroshige

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,249,588 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5907488 Method of evaluating easiness of works and processings performed on articles and evaluation apparatus Syoji Arimoto, Kiyoshi Suzuki, Tatsuya Suzuki, Toshijiro Ohashi 1999-05-25
5586022 Method of evaluating easiness of works and processings performed on articles and evaluation apparatus Syoji Arimoto, Kiyoshi Suzuki, Tatsuya Suzuki, Toshijiro Ohashi 1996-12-17