Inventor · disambiguated record
Katsuhisa Tsuji
Also filed as: TSUJI KATSUHISA
9 granted patents·2 pending applications·454 citations·filing 1987–2008
91Inventor score
Top patents by PatentIndex Score
11 records- 0192US4953013AColor image processing deviceRICOH KK·Filed 1988·Granted Aug 28, 1990·97 cites·13 claims
- 0282US5077615AHalftone image recording apparatus combining error scattering and multi-level tone conversion techniquesRICOH KK·Filed 1990·Granted Dec 31, 1991·65 cites·8 claims
- 0380US5787132AData communication system having improved synchronization capabilityNIPPON DENSO CO·Filed 1995·Granted Jul 28, 1998·133 cites·16 claims
- 0477US4742400ADigital image processing device for intermediate toneRICOH KK·Filed 1987·Granted May 3, 1988·34 cites·32 claims
- 0569US5057914AMethod of processing colored image in multilevel gradationsRICOH KK·Filed 1988·Granted Oct 15, 1991·23 cites·10 claims
- 0668US6185007B1Image forming apparatusRICOH KK·Filed 1998·Granted Feb 6, 2001·38 cites·6 claims
- 0763US5757773AMultiplex distributed communication system having high sleep mode responsivenessDENSO CORP·Filed 1996·Granted May 26, 1998·38 cites·13 claims
- 0857US8193905B2Vehicle function execution system, vehicle apparatus, portable device, recording medium, and information centerTSUJI KATSUHISA·Filed 2008·Granted Jun 5, 2012·3 cites·3 claims
- 0957US5414416ATemperature dependent control module cluster unit for motor vehicleNIPPON DENSO CO·Filed 1992·Granted May 9, 1995·23 cites·5 claims
- 1057US2008319835A1Information system and information processing apparatusDENSO CORP·Filed 2008·Application pending·0 cites
- 1152US2008294015A1Administration systemDENSO CORP·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsuhisa Tsuji 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 →