Inventor
KAGAWA KEIICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KAGAWA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIYO YUDEN KK
5 patentsUS5398231AMar 14, 1995
Optical information recording substrate and method of making thereof
TAIYO YUDEN KK112 citations97
US5498509AMar 12, 1996
Method of making an optical information recording substrate
TAIYO YUDEN KK61 citations96
US6569259B1May 27, 2003
Method of disposing of a waste optical disc
TAIYO YUDEN KK16 citations83
US7833378B2Nov 16, 2010
Method for manufacturing optical disc and optical disc
TAIYO YUDEN KK0 citations45
US7303381B2Dec 4, 2007
Device for manufacturing optical disc, method of manufacturing the same, and optical disc
TAIYO YUDEN KK0 citations45
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS5092937AMar 3, 1992
Process for treating semiconductors
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91
US5273914ADec 28, 1993
Method of fabricating a CMOS semiconductor devices
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations81
US5030582AJul 9, 1991
Method of fabricating a CMOS semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations81
US4465705AAug 14, 1984
Method of making semiconductor devices
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73