Inventor · disambiguated record
Ryoji Takeuchi
Also filed as: TAKEUCHI RYOJI
7 granted patents·84 citations·filing 1988–1999
85Inventor score
Files withTOSHIBA KK7
Top patents by PatentIndex Score
7 records- 0172US5161144ASystem for recording information on an optical recording mediumTOSHIBA KK·Filed 1990·Granted Nov 3, 1992·22 cites·9 claims
- 0270US6424608B1Optical apparatus used for optical disk recording and reproducing apparatusTOSHIBA KK·Filed 1999·Granted Jul 23, 2002·23 cites·15 claims
- 0361US5177718AOptical disk apparatusTOSHIBA KK·Filed 1989·Granted Jan 5, 1993·13 cites·12 claims
- 0458US5101396AInformation recording system capable of preventing overwritingTOSHIBA KK·Filed 1990·Granted Mar 31, 1992·12 cites·12 claims
- 0545US4912717AApparatus for controlling the amount of laser light and laser light monitoring methodTOSHIBA KK·Filed 1988·Granted Mar 27, 1990·7 cites·15 claims
- 0638US5010541AApparatus having a movable portion and a fixed portion for reproducing data from an optical disk by a light beamTOSHIBA KK·Filed 1988·Granted Apr 23, 1991·4 cites·13 claims
- 0735US4992758APower amplifying apparatus for optical disk apparatusTOSHIBA KK·Filed 1988·Granted Feb 12, 1991·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →