KO

Katsumi Okamoto

SE Seiko Epson: 3 patents #104 of 953Top 15%
Overall (2005): #21,400 of 245,428Top 9%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6937835 Developer charging unit, developing device, image-forming apparatus, and computer system 2005-08-30
6892039 Connector having a built-in memory IC mounted on a development cartridge Junji Shirokoshi, Takeshi Aoki 2005-05-10
6868247 Developing unit, developing device, image-forming apparatus, and computer system Makoto Sato 2005-03-15