Inventor
MUKAIYAMA HIROYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “MUKAIYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
8 patentsUS6019470AFeb 1, 2000
Progressive multifocal lens and manufacturing method of eyeglass lens and progressive multifocal lens
SEIKO EPSON CORP124 citations97
US5644374AJul 1, 1997
Variable focus type eyesight correcting apparatus
SEIKO EPSON CORP110 citations97
US6199983B1Mar 13, 2001
Apparatus and method for manufacturing a progressive multi-focal lens
SEIKO EPSON CORP78 citations96
US5926250AJul 20, 1999
Multifocal lens for eyeglass and eyeglass lens
SEIKO EPSON CORP61 citations96
US6220704B1Apr 24, 2001
Progressive power lens
SEIKO EPSON CORP19 citations83
US5745211AApr 28, 1998
Progressive power lens and eye glass lens
SEIKO EPSON CORP4 citations62
US7740934B2Jun 22, 2010
Optical low pass filter
SEIKO EPSON CORP0 citations51
US7221525B2May 22, 2007
Drive apparatus, lens unit, and camera
SEIKO EPSON CORP1 citations51