YS

Yasuo Shiragai

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,660,631 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, Yoshiaki Karino, Yasuyuki Wakasa 1992-03-17
4884698 Apparatus for handling sheets of paper Hirotaka Tutamune, Yoshiaki Karino, Yasuyuki Wakasa 1989-12-05
4718655 Apparatus for handling paper sheets Masao Okayama, Masataka Kawauchi, Tamio Innami, Tsuyoshi Ogasawara, Yutaka Nagasawa +3 more 1988-01-12