Inventor
NAKANISHI RYOICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAKANISHI RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
4 patentsUS6529465B2Mar 4, 2003
Optical system for optical disk drive
PENTAX CORP11 citations73
US6996311B1Feb 7, 2006
Optical communication device
PENTAX CORP2 citations62
US7050677B2May 23, 2006
Optical fiber and method for producing the same
PENTAX CORP0 citations51
US6624652B2Sep 23, 2003
Circuit board and system for testing the same
PENTAX CORP0 citations51