Inventor · disambiguated record
Koubun Sakagami
Also filed as: SAKAGAMI KOUBUN
14 granted patents·5 pending applications·282 citations·filing 1989–2011
92Inventor score
Top patents by PatentIndex Score
19 records- 0193US5142380AImage data processing apparatusRICOH KK·Filed 1990·Granted Aug 25, 1992·160 cites·13 claims
- 0282US7376066B2Information recording method and an information recording apparatusRICOH KK·Filed 2005·Granted May 20, 2008·5 cites·16 claims
- 0376US9008320B2Apparatus, system, and method of image processing, and recording medium storing image processing control programSAKAGAMI KOUBUN·Filed 2011·Granted Apr 14, 2015·7 cites·4 claims
- 0476US5497194AElectronic camera for photographing and recording an image and for recording and reproducing a voiceRICOH KK·Filed 1992·Granted Mar 5, 1996·44 cites·5 claims
- 0573US7350118B2Method and apparatus for recording information in concatenated mannerRICOH KK·Filed 2005·Granted Mar 25, 2008·2 cites·26 claims
- 0673US7082091B2Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cellRICOH KK·Filed 2002·Granted Jul 25, 2006·7 cites·13 claims
- 0767US6888479B2Data processing method, circuit, and apparatus with increased accuracyRICOH KK·Filed 2002·Granted May 3, 2005·15 cites·79 claims
- 0863US5140322ACoder unit for variable word length codeRICOH KK·Filed 1991·Granted Aug 18, 1992·24 cites·9 claims
- 0961US7046610B2Recording medium suitable for recording/reproducing multi-level dataRICOH KK·Filed 2003·Granted May 16, 2006·4 cites·15 claims
- 1060US7420905B2Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cellRICOH KK·Filed 2007·Granted Sep 2, 2008·0 cites·17 claims
- 1157US4977417AElectrophotography systemVICTOR COMPANY OF JAPAN·Filed 1989·Granted Dec 11, 1990·11 cites·8 claims
- 1254US8031942B2Matching deviceRICOH CO LTD·Filed 2008·Granted Oct 4, 2011·2 cites·10 claims
- 1351US7251207B2Multi-level data processing method and apparatusRICOH KK·Filed 2003·Granted Jul 31, 2007·1 cites·13 claims
- 1450US2006120242A1Information reproducing method judging a multivalued level of a present cell by referring to judged multivalued levels of a preceding cell and an ensuing cellSHIMIZU AKIHIKO·Filed 2006·Application pending·0 cites
- 1543US7197000B2Method of generating an efficient sequence of multi-level random numbers used for an information recording mediumRICOH KK·Filed 2003·Granted Mar 27, 2007·0 cites·10 claims
- 1643US2005204369A1Data recording method, data recording device, and data recording mediumFiled 2005·Application pending·0 cites
- 1740US2004100883A1Information recording/reproducing apparatus and information recording mediumFiled 2003·Application pending·0 cites
- 1838US2005232607A1Information recording method, information recording device, information recording mediumSAKAGAMI KOUBUN·Filed 2005·Application pending·0 cites
- 1938US2012069045A1Drawn image sharing apparatusHASHIMOTO TAKAKO·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koubun 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 →