RS

Ryoji Shibata

NC Nidek Co.: 53 patents #1 of 365Top 1%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #45,155 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
5803793 Lens grinding apparatus having chamfering and other grinding wheels mounted on the same shaft Toshiaki Mizuno, Masahiko Kobayashi, Yoshinori Matsuyama, Hirokatsu Ohbayashi, Masakazu Funakura 1998-09-08
5716256 Lens grinding apparatus for grinding an eyeglass lens from a plurality of directions Toshiaki Mizuno, Masahiko Kobayashi, Yoshinori Matsuyama, Hirokatsu Ohbayashi, Masakazu Funakura 1998-02-10
5347762 Lens periphery processing apparatus, method for obtaining processing data, and lens periphery processing method Masahiko Kobayashi, Yukinobu Ban, Hirokatu Obayashi 1994-09-20
5137379 Printer including cartridge mounted read only memory Nobuyuki Ukai 1992-08-11
4826332 Printer including cartridge mounted interchangeable read only memory Nobuyuki Ukai 1989-05-02