Inventor · disambiguated record
Tsutomu Toyono
Also filed as: TOYONO TSUTOMU
47 granted patents·1,296 citations·filing 1977–1995
99Inventor score
Files withCANON KK47
Top patents by PatentIndex Score
47 records- 0198US4540268AProcess kit and image forming apparatus using such kitCANON KK·Filed 1983·Granted Sep 10, 1985·135 cites·32 claims
- 0298US4395476ADeveloping method for developer transfer under A.C. electrical bias and apparatus thereforCANON KK·Filed 1981·Granted Jul 26, 1983·75 cites·32 claims
- 0398US4292387AMagnetic developing method under A.C. electrical bias and apparatus thereforCANON KK·Filed 1979·Granted Sep 29, 1981·90 cites·32 claims
- 0494US4252434AMethod and apparatus for conveying developing agentCANON KK·Filed 1979·Granted Feb 24, 1981·39 cites·33 claims
- 0591US4739415AImage handling system capable of varying the size of a recorded imageCANON KK·Filed 1987·Granted Apr 19, 1988·80 cites·26 claims
- 0691US4473627ADeveloping method for developer transfer under electrical bias and apparatus thereforCANON KK·Filed 1982·Granted Sep 25, 1984·36 cites·13 claims
- 0788US4836656ADriving method for optical modulation deviceCANON KK·Filed 1986·Granted Jun 6, 1989·51 cites·23 claims
- 0888US4796980AFerroelectric liquid crystal optical modulation device with regions within pixels to initiate nucleation and inversionCANON KK·Filed 1987·Granted Jan 10, 1989·63 cites·21 claims
- 0987US4778260AMethod and apparatus for driving optical modulation deviceCANON KK·Filed 1986·Granted Oct 18, 1988·63 cites·13 claims
- 1086US4765720AMethod and apparatus for driving ferroelectric liquid crystal, optical modulation device to achieve gradationCANON KK·Filed 1987·Granted Aug 23, 1988·54 cites·12 claims
- 1185US4785311ARecording head apparatus and method having pluralities of crossed electrodesCANON KK·Filed 1987·Granted Nov 15, 1988·38 cites·19 claims
- 1284US4913088AApparatus for developer transfer under electrical biasCANON KK·Filed 1987·Granted Apr 3, 1990·21 cites·8 claims
- 1384US4169673AImage transfer deviceCANON KK·Filed 1977·Granted Oct 2, 1979·21 cites·7 claims
- 1483US4824218AOptical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodesCANON KK·Filed 1987·Granted Apr 25, 1989·51 cites·98 claims
- 1581US5096798ADeveloping method for one-component developerCANON KK·Filed 1991·Granted Mar 17, 1992·20 cites·8 claims
- 1681US4265197ADeveloping method and apparatus using application of first and second alternating bias voltages for latent image end portions and tone gradation, respectivelyCANON KK·Filed 1980·Granted May 5, 1981·22 cites·10 claims
- 1779US4763994AMethod and apparatus for driving ferroelectric liquid crystal optical modulation deviceCANON KK·Filed 1987·Granted Aug 16, 1988·32 cites·13 claims
- 1879US4355884AElectrophotographic apparatusCANON KK·Filed 1980·Granted Oct 26, 1982·21 cites·11 claims
- 1978US4818078AFerroelectric liquid crystal optical modulation device and driving method therefor for gray scale displayCANON KK·Filed 1986·Granted Apr 4, 1989·39 cites·58 claims
- 2075US5044310ADeveloping apparatus for non-magnetic developerCANON KK·Filed 1989·Granted Sep 3, 1991·16 cites·4 claims
- 2174US4938574AMethod and apparatus for driving ferroelectric liquid crystal optical modulation device for providing a gradiational displayCANON KK·Filed 1987·Granted Jul 3, 1990·32 cites·8 claims
- 2273US4786971AImage recording and/or reproducing apparatusCANON KK·Filed 1987·Granted Nov 22, 1988·26 cites·54 claims
- 2372US4981340AMethod and apparatus for readout of information from display panelCANON KK·Filed 1989·Granted Jan 1, 1991·27 cites·10 claims
- 2471US5032485ADeveloping method for one-component developerCANON KK·Filed 1990·Granted Jul 16, 1991·15 cites·8 claims
- 2571US4932759ADriving method for optical modulation deviceCANON KK·Filed 1986·Granted Jun 12, 1990·28 cites·33 claims
- 2670US4383758ACopying apparatusCANON KK·Filed 1981·Granted May 17, 1983·13 cites·17 claims
- 2766US4425373AMethod for image development by application of alternating biasCANON KK·Filed 1981·Granted Jan 10, 1984·13 cites·9 claims
- 2864US4734359AThermal recording material for display and image display device utilizing the sameCANON KK·Filed 1986·Granted Mar 29, 1988·24 cites·10 claims
- 2964US4363861AToner transfer development using alternating electric fieldCANON KK·Filed 1980·Granted Dec 14, 1982·12 cites·14 claims
- 3063US4782347ARecording head using a plurality of ink storing portions and method of carrying out recording with the use of the sameCANON KK·Filed 1987·Granted Nov 1, 1988·12 cites·36 claims
- 3162US4314017ADeveloper without carrier powder having an improved triboelectric charging propertyCANON KK·Filed 1979·Granted Feb 2, 1982·9 cites·12 claims
- 3257US4777492AThermal recording methodCANON KK·Filed 1986·Granted Oct 11, 1988·15 cites·12 claims
- 3357US4391891ADeveloping method using (alternating electric field and) a developer of the field-dependent type and an apparatus thereforCANON KK·Filed 1982·Granted Jul 5, 1983·9 cites·8 claims
- 3456US5194359ADeveloping method for one component developerCANON KK·Filed 1991·Granted Mar 16, 1993·17 cites·16 claims
- 3556US5132818AFerroelectric liquid crystal optical modulation device and driving method therefor to apply an erasing voltage in the first time period of the scanning selection periodCANON KK·Filed 1988·Granted Jul 21, 1992·12 cites·8 claims
- 3654US5018841ADriving method for optical modulation deviceCANON KK·Filed 1989·Granted May 28, 1991·11 cites·6 claims
- 3750US4573061AImage recording apparatusCANON KK·Filed 1984·Granted Feb 25, 1986·7 cites·5 claims
- 3848US5440412ADriving method for a ferroelectric optical modulation deviceCANON KK·Filed 1993·Granted Aug 8, 1995·8 cites·8 claims
- 3947US5078487AProjecting apparatusCANON KK·Filed 1990·Granted Jan 7, 1992·5 cites·6 claims
- 4046US4641948AMethod of and device for preventing disturbance of unfixed visible imageCANON KK·Filed 1979·Granted Feb 10, 1987·5 cites·19 claims
- 4145US4334763AElectrophotographic copying apparatusCANON KK·Filed 1980·Granted Jun 15, 1982·6 cites·30 claims
- 4242US5847686ADriving method for optical modulation deviceCANON KK·Filed 1995·Granted Dec 8, 1998·6 cites·6 claims
- 4340US4459016AProjection deviceCANON KK·Filed 1982·Granted Jul 10, 1984·4 cites·13 claims
- 4438US5255110ADriving method for optical modulation device using ferroelectric liquid crystalCANON KK·Filed 1991·Granted Oct 19, 1993·4 cites·11 claims
- 4538US4590496AImage recording apparatusCANON KK·Filed 1984·Granted May 20, 1986·3 cites·8 claims
- 4636US5638196ADriving method for optical modulation deviceCANON KK·Filed 1995·Granted Jun 10, 1997·3 cites·13 claims
- 4735US5703614ADriving method for ferroelectric optical modulation deviceCANON KK·Filed 1995·Granted Dec 30, 1997·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →