YI

Yasuaki Ishii

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
DI Dai Nippon Insatsu: 1 patents #197 of 371Top 55%
Overall (All Time): #1,663,051 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5172179 Image recorder with a paper bundling device Tatsuo Tani 1992-12-15
4627607 Sheet feeding system 1986-12-09
4310370 Process for producing decorative articles Eisuke Arai, Fumio Takagi, Kuniaki Kamei 1982-01-12