Inventor
IGARI TAKAHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “IGARI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
4 patentsUS9111555B2Aug 18, 2015
Optical recording medium
SONY CORP5 citations71
US7782744B2Aug 24, 2010
Systems and methods for forming a master disk utilizing variation in an applied signal power for forming uniform pits
SONY CORP2 citations60
US7706245B2Apr 27, 2010
High density optical disc having small track pitch
SONY CORP0 citations49
US7529175B2May 5, 2009
Method for making an optical disc having a track pitch smaller than a recording beam diameter
SONY CORP0 citations49