KY

Kohichi Yamazaki

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #861,414 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8559856 Development device and image forming apparatus incorporating same Yuji Suzuki, Akihiro Takayama, Kentarou Nodera, Hiroyuki Uenishi, Susumu Tateyama +2 more 2013-10-15
8005377 Image forming device 2011-08-23
7834277 Printed circuit board manufacturing method and printed circuit board Kohichi Ohsumi, Kenji Terada 2010-11-16
7726016 Manufacturing method of printed circuit board Kohichi Ohsumi, Kenji Terada 2010-06-01
6101361 Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier Kenji Karashima, Kentaro Matsumoto, Kazuhiko Yuuki, Manabu Mochizuki, Noriyuki Usui +2 more 2000-08-08
5884134 Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier Kenji Karashima, Kentaro Matsumoto, Kazuhiko Yuuki, Manabu Mochizuki, Noriyuki Usui +2 more 1999-03-16