Inventor · disambiguated record
Akira Miyakawa
Also filed as: MIYAKAWA AKIRA
35 granted patents·1 pending application·1,694 citations·filing 1981–2009
98Inventor score
Top patents by PatentIndex Score
36 records- 0199US4617580AApparatus for recording on different types of mediumsCANON KK·Filed 1984·Granted Oct 14, 1986·149 cites·10 claims
- 0298US4712172AMethod for preventing non-discharge in a liquid jet recorder and a liquid jet recorderCANON KK·Filed 1985·Granted Dec 8, 1987·178 cites·18 claims
- 0396US4783829APattern recognition apparatusHITACHI LTD·Filed 1984·Granted Nov 8, 1988·221 cites·26 claims
- 0494US5315317AInk quantity detecting device and recording apparatus with the devieCANON KK·Filed 1993·Granted May 24, 1994·100 cites·28 claims
- 0593US4951066AInk jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each otherCANON KK·Filed 1988·Granted Aug 21, 1990·75 cites·32 claims
- 0693US4550327ADevice for discharging liquid dropletsCANON KK·Filed 1984·Granted Oct 29, 1985·57 cites·6 claims
- 0792US5572105AStepping motor control method including varying the number of split sections in one step drive period of a stepping motorCANON KK·Filed 1994·Granted Nov 5, 1996·71 cites·6 claims
- 0892US4893138AInk jet recovery device including a communicating valve and a ventilating valveCANON KK·Filed 1988·Granted Jan 9, 1990·66 cites·49 claims
- 0988US5373936AStorage containerCANON KK·Filed 1993·Granted Dec 20, 1994·66 cites·9 claims
- 1088US4785314AInternally pressure-regulated ink supplyCANON KK·Filed 1987·Granted Nov 15, 1988·38 cites·19 claims
- 1187US4970534AInk jet recovery device having a spring-loaded cap and a mechanism for pressing the cap against a recording head and apparatus incorporating the deviceCANON KK·Filed 1989·Granted Nov 13, 1990·43 cites·6 claims
- 1286US5793399ASheet supplying apparatusCANON KK·Filed 1994·Granted Aug 11, 1998·55 cites·29 claims
- 1386US5202702AInk jet recording apparatus and a method of cleaning a recording head used in the apparatusCANON KK·Filed 1992·Granted Apr 13, 1993·55 cites·28 claims
- 1484US5005025APrinter having means for heating a recording sheet and fixing ink thereonCANON KK·Filed 1990·Granted Apr 2, 1991·49 cites·13 claims
- 1584US4599625AInk tank frangible lever for pressure co-action with a ink bagCANON KK·Filed 1985·Granted Jul 8, 1986·34 cites·18 claims
- 1682US7621615B2Print medium identifying device, printing apparatus, and print medium identifying methodCANON KK·Filed 2005·Granted Nov 24, 2009·7 cites·9 claims
- 1781US5311214AInk jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply pathCANON KK·Filed 1991·Granted May 10, 1994·36 cites·22 claims
- 1881US4920360ALiquid ejection recording unit and liquid ejection recording apparatusCANON KK·Filed 1988·Granted Apr 24, 1990·27 cites·27 claims
- 1980US5971525ARecording apparatus having a deelectrifying member for a recording headCANON KK·Filed 1997·Granted Oct 26, 1999·39 cites·35 claims
- 2078US5886729ASheet supplying apparatus using a flexible elastic pawl member for separating sheets one by oneCANON KK·Filed 1997·Granted Mar 23, 1999·26 cites·37 claims
- 2178US5504510AInk loading device, recording apparatus having same and ink loading methodCANON KK·Filed 1993·Granted Apr 2, 1996·36 cites·5 claims
- 2277US4931781ACursor movement control key switchCANON KK·Filed 1987·Granted Jun 5, 1990·55 cites·4 claims
- 2374US5621450AContainer for receiving ink jet cartridge for an ink jet recording apparatusCANON KK·Filed 1995·Granted Apr 15, 1997·32 cites·8 claims
- 2468US6196655B1Ink-jet recording apparatus and recovery process method of the sameCANON KK·Filed 1993·Granted Mar 6, 2001·20 cites·10 claims
- 2566US5162713AStructural error correction method for SCARA robotHITACHI LTD·Filed 1990·Granted Nov 10, 1992·41 cites·2 claims
- 2662US4698783AElectronic equipment calendar and random daily message generatorCANON KK·Filed 1986·Granted Oct 6, 1987·20 cites·10 claims
- 2762US4680802APosture judgement system in image processingHITACHI LTD·Filed 1985·Granted Jul 14, 1987·32 cites·3 claims
- 2856US4606066AProgrammable image processorHITACHI LTD·Filed 1983·Granted Aug 12, 1986·26 cites·31 claims
- 2950USD285935SDisplay apparatus for electronic calculatorCANON KK·Filed 1984·Granted Sep 30, 1986·5 cites·1 claims
- 3048US5933174AInk refilling system, and ink refilling apparatus and ink refilling method usable in ink refilling systemCANON KK·Filed 1997·Granted Aug 3, 1999·10 cites·4 claims
- 3148USD270347SWord processor usable also as office computer and terminal machine for computerCANON KK·Filed 1981·Granted Aug 30, 1983·4 cites·1 claims
- 3247US5515086AContact structure between flexible cable and signal receiving unit and recording apparatus using said contact structureCANON KK·Filed 1992·Granted May 7, 1996·12 cites·10 claims
- 3345US2010045765A1Printer and printing paperCANON KK·Filed 2009·Application pending·0 cites
- 3440US6082846AInk jet recording with recovery operation and associated test printingCANON KK·Filed 1994·Granted Jul 4, 2000·4 cites·10 claims
- 3539US5129646ARecording apparatus having a removable sheet feederCANON KK·Filed 1991·Granted Jul 14, 1992·4 cites·10 claims
- 3630US5327063AMethod of controlling a stepping motorCANON KK·Filed 1992·Granted Jul 5, 1994·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Akira Miyakawa 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 →