Inventor

ISHIYAMA YOSHIYA

JP3 patents

⚠️ This page may combine multiple inventors who share the name “ISHIYAMA YOSHIYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

2 patents

US5852757ADec 22, 1998

Electrophotographic image forming apparatus having a device for recovering residual toner

FUJITSU LTD32 citations90

US5848343ADec 8, 1998

Electrophotographic image-forming apparatus with uniform toner usage control

FUJITSU LTD10 citations71

FUJI XEROX CO LTD

1 patent

US6634818B2Oct 21, 2003

Feeder, image-forming device, and remaining amount detecting method

FUJI XEROX CO LTD9 citations67