JS

Junji Shirakawa

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
HC Hitachi Koki Co.: 10 patents #110 of 888Top 15%
RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Ibaraki, JP: #158 of 6,779 inventorsTop 3%
Overall (All Time): #108,414 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6137968 Image forming apparatus Kazuo Sunou, Takayuki Muneyasu 2000-10-24
D413140 Printer for a computer Hideki Ishida, Junichi Suzuki, Masayuki Ainoya, Mamoru Takayama 1999-08-24
5937261 Image recording apparatus, and sheet conveying method thereof Masayuki Ainoya, Minoru Seino 1999-08-10
5182605 Xerographic printing machine with an improved transfer unit Masato Yamada, Kazuo Uno 1993-01-26
5179412 Transfer unit for xerographic printing machine with constant ventilating interior Masato Yamada, Kazuo Uno, Kimio Nakamura 1993-01-12
5172900 Paper feed mechanism Kazuo Uno, Masahiro Yamazaki 1992-12-22
5150893 Paper feed mechanism with plural support tables for supplying cut sheets to a printing apparatus Kazuo Uno 1992-09-29
4929982 Sheet path in an electrophotographic printer Masayuki Ainoya, Takeyuki Ishihara, Tesuo Kanno, Takahiro Kikuchi, Seiichi Mori +1 more 1990-05-29