Inventor · disambiguated record
Yasuyuki Kojima
Also filed as: KOJIMA YASUYUKI
31 granted patents·6 pending applications·716 citations·filing 1975–2009
98Inventor score
Top patents by PatentIndex Score
37 records- 0191US6297618B2Power storage device and method of measuring voltage of storage batteryHITACHI LTD·Filed 2001·Granted Oct 2, 2001·98 cites·11 claims
- 0290US6611051B2Semiconductor device and communication terminal using thereofHITACHI LTD·Filed 2001·Granted Aug 26, 2003·49 cites·8 claims
- 0390US3984844AThermal recording apparatusHITACHI LTD·Filed 1975·Granted Oct 5, 1976·46 cites·4 claims
- 0487US7523619B2Indoor and outdoor unit communication via signal from a power lineHITACHI APPLIANCES INC·Filed 2004·Granted Apr 28, 2009·48 cites·4 claims
- 0584US7598605B2Semiconductor device having capacitive insulation means and communication terminal using the deviceHITACHI LTD·Filed 2006·Granted Oct 6, 2009·9 cites·16 claims
- 0683US4149171AThermal recording methodHITACHI LTD·Filed 1978·Granted Apr 10, 1979·26 cites·2 claims
- 0781US7091588B2Semiconductor device including primary and secondary side circuits on first and second substrates with capacitive insulationHITACHI LTD·Filed 2004·Granted Aug 15, 2006·22 cites·13 claims
- 0880US7334417B2Air conditioner and power line communication systemHITACHI APPLIANCES INC·Filed 2005·Granted Feb 26, 2008·15 cites·9 claims
- 0978US6603807B1Isolator and a modem device using the isolatorHITACHI LTD·Filed 1999·Granted Aug 5, 2003·85 cites·17 claims
- 1078US6570343B1Device for turning on light and illumination apparatusHITACHI LTD·Filed 2000·Granted May 27, 2003·19 cites·4 claims
- 1176US6993765B2Controller and operating systemHITACHI LTD·Filed 2002·Granted Jan 31, 2006·19 cites·3 claims
- 1275US7770403B2Indoor and outdoor unit communication via signal from a power lineHITACHI APPLIANCES INC·Filed 2009·Granted Aug 10, 2010·6 cites·10 claims
- 1374US7522692B2Isolator and a modem device using the isolatorHITACHI LTD·Filed 2007·Granted Apr 21, 2009·4 cites·2 claims
- 1470US6853063B2Semiconductor device and communication terminal using thereofHITACHI LTD·Filed 2003·Granted Feb 8, 2005·12 cites·2 claims
- 1570US6389063B1Signal transmission apparatus using an isolator, modem, and information processorHITACHI LTD·Filed 1998·Granted May 14, 2002·74 cites·9 claims
- 1670US4649401AThermal recording apparatusHITACHI LTD·Filed 1985·Granted Mar 10, 1987·21 cites·9 claims
- 1769US6734641B2Device for turning on light and illumination apparatusHITACHI LTD·Filed 2003·Granted May 11, 2004·11 cites·11 claims
- 1869US6407432B1Semiconductor deviceHITACHI LTD·Filed 1999·Granted Jun 18, 2002·36 cites·10 claims
- 1965US5259000AModulator-demodulator apparatus and systemHITACHI LTD·Filed 1988·Granted Nov 2, 1993·24 cites·28 claims
- 2064US4597016AEncoding/decoding systemHITACHI LTD·Filed 1984·Granted Jun 24, 1986·13 cites·4 claims
- 2163US7289553B2Isolator and a modem device using the isolatorHITACHI LTD·Filed 2003·Granted Oct 30, 2007·6 cites·19 claims
- 2261US5805312AThermographical image copier system with real time copying and variable read and record speedsHITACHI LTD·Filed 1994·Granted Sep 8, 1998·22 cites·3 claims
- 2359US6445055B2Semiconductor integrated circuit device and manufacturing method thereofHITACHI LTD·Filed 2001·Granted Sep 3, 2002·11 cites·29 claims
- 2459US2002198851A1Communication apparatus and communication system and method for calculating advertisement ratesFiled 2001·Application pending·0 cites
- 2558US6344809B1Line interface circuit and information communication apparatus using itHITACHI LTD·Filed 2000·Granted Feb 5, 2002·5 cites·12 claims
- 2658US2006242022A1Communication apparatus and communication system and method for calculating advertisement ratesHASHIMOTO KOJI·Filed 2006·Application pending·0 cites
- 2751US4074280AThermal recording apparatusHITACHI LTD·Filed 1976·Granted Feb 14, 1978·6 cites·7 claims
- 2849US5162838AFacsimile apparatus and method for processing a fixed documentHITACHI LTD·Filed 1991·Granted Nov 10, 1992·14 cites·27 claims
- 2948US2006012489A1Appliance control apparatus and electrical applianceHITACHI LTD·Filed 2005·Application pending·0 cites
- 3047US2006059491A1Controller and operating systemHITACHI LTD·Filed 2005·Application pending·0 cites
- 3144US6437825B1Image processing apparatus having plural image processors and apparatus which merges data to be input and output to the image processorsHITACHI LTD·Filed 1997·Granted Aug 20, 2002·7 cites·16 claims
- 3242US5555095AImage signal processing apparatusHITACHI LTD·Filed 1993·Granted Sep 10, 1996·5 cites·10 claims
- 3341US8717157B2Display device for vehicleWATANABE MIDORI·Filed 2009·Granted May 6, 2014·2 cites·3 claims
- 3438US2002153165A1Electric circuit board including glass substrate and method and apparatus trimming thereofFiled 2001·Application pending·0 cites
- 3536US2002117750A1Semiconductor deviceFiled 2001·Application pending·0 cites
- 3631US5812274AImage signal processing apparatusHITACHI LTD·Filed 1996·Granted Sep 22, 1998·1 cites·16 claims
- 3730US6476750B1Over-sampling A/D, D/A converterHITACHI LTD·Filed 1999·Granted Nov 5, 2002·0 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Yasuyuki Kojima 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 →