SU

Sadao Unuma

TC Tokai Kogyo Co.: 16 patents #2 of 161Top 2%
BI Bando Chemical Industries: 1 patents #176 of 303Top 60%
📍 Ogi, JP: #1 of 1 inventorsTop 100%
Overall (All Time): #280,574 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5797530 Sheet feed tractor Tohru Hamamoto 1998-08-25
5172843 Structures of driving and driven sprockets and belt reception rotary member in paper feed apparatus 1992-12-22
5165586 Paper feed apparatus equipped with feed belt supporters 1992-11-24
5131578 Clamper of paper feed tractor 1992-07-21
5127568 Lid for sheet feed tractor Masashi Yamashita, Kouichi Hara 1992-07-07
5110025 Paper feeder having a paper exhaustion detector 1992-05-05
5048739 Integral frame type paper feeder Koichi Hara 1991-09-17
5026328 Belt driving sprocket in paper feeder 1991-06-25
5002413 Paper feed tractor 1991-03-26
4961526 Paper feeder 1990-10-09
4940449 Paper feed tractor 1990-07-10
4925076 Paper feeder 1990-05-15
4867591 Paper feeding endless belt for printer 1989-09-19
4836430 Paper feed apparatus Masashi Yamashita 1989-06-06
4826337 Web feed tractor 1989-05-02
4789088 Paper feeding device Masashi Yamashita 1988-12-06
4773579 Web feed tractor 1988-09-27