YW

Yasuyuki Wakasa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,660,632 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5096067 Apparatus for handling sheets of paper Hirotaka Tutamune, Yasuo Shiragai, Yoshiaki Karino 1992-03-17
5019249 Apparatus for handling sheets of paper Kazunari Sugai, Osamu Takeuchi, Kenji Taguchi, Toshio Ogata 1991-05-28
4884698 Apparatus for handling sheets of paper Hirotaka Tutamune, Yasuo Shiragai, Yoshiaki Karino 1989-12-05