HK

Hiroyuki Kiyoi

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
RC Richo Company: 1 patents #3 of 57Top 6%
Overall (All Time): #1,021,467 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7938527 Ink, ink cartridge, ink jet recording apparatus, and ink jet recording method Tohru Ohshima, Naoya Morohoshi, Kiyofumi Nagai, Masanori Hirano, Shigetaka Sakakibara 2011-05-10
5832330 Method and apparatus for controlling a temperature of a fixing roller in a printing/copying device 1998-11-03
5682577 Method and apparatus for controlling a temperature of a fixing roller in an printing/copying device 1997-10-28
RE35528 Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine Yozo Matsuura, Shiroh Kondoh, Kazuhiro Yuasa, Hiroshi Saitoh, Masanori Yoshimura +2 more 1997-06-10
5126799 Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine Yozo Matsuura, Shiroh Kondoh, Kazuhiro Yuasa, Hiroshi Saitoh, Masanori Yoshimura +2 more 1992-06-30