KO

Katsuyuki Ohkubo

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
NC Nippon Paper Industries Co.: 1 patents #263 of 535Top 50%
Overall (All Time): #1,266,664 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6791771 Composite optical component and its manufacturing method Toshihiro Kanematsu, Hidenobu Kishi 2004-09-14
6170988 Self-acting air bearing apparatus Yuzuru Kudoh, Kenichi Hiratsuka 2001-01-09
5897052 Easily laterally opened type paper container Arata Tanaka, Kazuhiko Sase 1999-04-27
5622904 Glass material for molding optical elements Tomoaki Sugawara, Hiroyuki Endou, Hiroshi Ueno, Akihito Minato 1997-04-22