Inventor · disambiguated record
Wataru Sakagami
Also filed as: SAKAGAMI WATARU
11 granted patents·159 citations·filing 1985–1995
91Inventor score
Files withCANON KK11
Top patents by PatentIndex Score
11 records- 0187US4998009AInformation recording method for recording data and directories in a plurality of blocks comprising divided recording areasCANON KK·Filed 1988·Granted Mar 5, 1991·35 cites·9 claims
- 0280US4872154AMethod for recording indicia for indicating presence or absence of error in medium after error checking and apparatus thereforCANON KK·Filed 1987·Granted Oct 3, 1989·24 cites·12 claims
- 0372US4982391AMethod and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproductionCANON KK·Filed 1988·Granted Jan 1, 1991·18 cites·18 claims
- 0471US5018124AInformation recording method and apparatus for recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detectedCANON KK·Filed 1988·Granted May 21, 1991·17 cites·14 claims
- 0560US5354135ARecorder and dot pattern control circuitCANON KK·Filed 1985·Granted Oct 11, 1994·23 cites·8 claims
- 0658US4868806AAn information recording apparatus for recording a directory information unit on a single recording track of a recording medium based on the number of directory information units previously recorded in the single recording trackCANON KK·Filed 1987·Granted Sep 19, 1989·11 cites·12 claims
- 0748US5899614AOutput method and apparatusCANON KK·Filed 1995·Granted May 4, 1999·15 cites·7 claims
- 0843US5038332AOptical information recording medium including an optically detectable mark representing a boundary between the recording and non-recording areasCANON KK·Filed 1990·Granted Aug 6, 1991·5 cites·6 claims
- 0939US4870634AApparatus for recording and/or reproducing information data and a signal for synchronizing the sameCANON KK·Filed 1987·Granted Sep 26, 1989·4 cites·21 claims
- 1035US4910724AInformation recording medium having an area for recording information indicating logical erasure of data and method for recording informationCANON KK·Filed 1989·Granted Mar 20, 1990·6 cites·6 claims
- 1131US5144608AApparatus for recording and reproducing information on and from a recording medium having a reference position markCANON KK·Filed 1991·Granted Sep 1, 1992·1 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Wataru Sakagami files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →