Inventor · disambiguated record
Toshifumi Kato
Also filed as: IKEZU YOHEI · KATO TOSHIFUMI
10 granted patents·4 pending applications·406 citations·filing 1978–2011
92Inventor score
Top patents by PatentIndex Score
14 records- 0194US4595948AMulticolor ink jet recording apparatus having means for preventing blurring of inkRICOH KK·Filed 1983·Granted Jun 17, 1986·84 cites·8 claims
- 0289US4390176ASheet clamping deviceRICOH KK·Filed 1980·Granted Jun 28, 1983·60 cites·31 claims
- 0386US4166691ARecording systemRICOH KK·Filed 1978·Granted Sep 4, 1979·26 cites·23 claims
- 0484US4598299ADeflection control ink jet printing apparatusRICOH KK·Filed 1983·Granted Jul 1, 1986·32 cites·11 claims
- 0580US6672423B2Speaker and method of assembling the speakerPIONEER CORP·Filed 2001·Granted Jan 6, 2004·28 cites·11 claims
- 0680US6236733B1LoudspeakerPIONEER ELECTRONIC CORP·Filed 1999·Granted May 22, 2001·66 cites·4 claims
- 0773US5874990ASupervisory camera systemSTAR MICRONICS INC·Filed 1997·Granted Feb 23, 1999·62 cites·14 claims
- 0864US4993510AMobile speaker fixing devicePIONEER ELECTRONIC CORP·Filed 1990·Granted Feb 19, 1991·39 cites·7 claims
- 0955US6474440B2Diaphragm for speaker and speaker device provided with the samePIONEER CORP·Filed 2000·Granted Nov 5, 2002·5 cites·10 claims
- 1047US2007269075A1Speaker devicePIONEER CORP·Filed 2007·Application pending·0 cites
- 1145US2006269094A1SpeakerPIONEER TOHOKU CORP·Filed 2006·Application pending·0 cites
- 1244US2006093182A1SpeakerPIONEER TOHOKU CORP·Filed 2005·Application pending·0 cites
- 1341US2013166265A1Method for simulating indoor illuminanceSUZUKI TAKAAKI·Filed 2011·Application pending·0 cites
- 1430US4928787AMobile speaker systemPIONEER ELECTRONIC CORP·Filed 1989·Granted May 29, 1990·4 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Toshifumi Kato 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 →