Inventor
YAMADA SHIHO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA SHIHO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
3 patentsUS6558768B2May 6, 2003
Optical recording medium and optical recording and reading method using the same
RICOH KK28 citations92
US6794005B2Sep 21, 2004
Optical recording medium, optical recording method and optical recording device
RICOH KK18 citations84
US6737143B2May 18, 2004
Optical recording medium, optical recording method and optical recording device
RICOH KK12 citations73
KYOWA HAKKO KOGYO KK
3 patentsUS6660867B2Dec 9, 2003
Metal complex type squarylium compounds and optical recording media made by using the same
KYOWA HAKKO KOGYO KK14 citations84
US6599605B2Jul 29, 2003
Squarylium compounds and optical recording media using the same
KYOWA HAKKO KOGYO KK9 citations72
US6596364B2Jul 22, 2003
Squarylium compounds and optical recording medium containing the same
KYOWA HAKKO KOGYO KK10 citations72