Inventor · disambiguated record
Koichi Yamazaki
Also filed as: YAMAZAKI KOICHI
56 granted patents·5 pending applications·605 citations·filing 1988–2022
98Inventor score
Files withNIPPON CONLUX CO LTD19RENESAS ELECTRONICS CORP6KOSHIZUKA SHINNOSUKE3TOKYO ELECTRON LTD3JAPAN BROADCASTING CORP2
Top patents by PatentIndex Score
61 records- 0193US10411698B2Cascode connected SiC-JFET with SiC-SBD and enhancement deviceRENESAS ELECTRONICS AMERICA INC·Filed 2018·Granted Sep 10, 2019·7 cites·19 claims
- 0292US8655237B2Development device and image forming apparatus incorporating sameSUZUKI YUJI·Filed 2013·Granted Feb 18, 2014·7 cites·7 claims
- 0391US10050620B2Cascode connected SiC-JFET with SiC-SBD and enhancement deviceRENESAS ELECTRONICS AMERICA INC·Filed 2015·Granted Aug 14, 2018·7 cites·15 claims
- 0490US9817335B2Powder amount detector, powder supply device, and image forming apparatus incorporating sameKAWASHIMA NAOHIRO·Filed 2016·Granted Nov 14, 2017·6 cites·20 claims
- 0589US9621151B2Semiconductor device and electric power control apparatusRENESAS ELECTRONICS CORP·Filed 2016·Granted Apr 11, 2017·6 cites·17 claims
- 0689US8475785B2Allogeneic cancer cell-based immunotherapyPODACK ECKHARD R·Filed 2009·Granted Jul 2, 2013·7 cites·4 claims
- 0789US8049777B2Insertion support system for specifying a location of interest as an arbitrary region and also appropriately setting a navigation leading to the specified regionOLYMPUS CORP·Filed 2006·Granted Nov 1, 2011·78 cites·23 claims
- 0888US9238064B2Allogeneic cancer cell-based immunotherapyUNIV MIAMI·Filed 2013·Granted Jan 19, 2016·5 cites·18 claims
- 0986US8685384B2Recombinant cancer cell secreting modified heat shock protein-antigenic peptide complexPODACK ECKHARD R·Filed 2007·Granted Apr 1, 2014·8 cites·16 claims
- 1080US5777307AOptical information recording with preformatted synchronization signals and information recording and reproducing methodNIPPON CONLUX CO LTD·Filed 1996·Granted Jul 7, 1998·34 cites·12 claims
- 1179US10069439B2Power conversion system, power module, and semiconductor device with diode couplingRENESAS ELECTRONICS CORP·Filed 2016·Granted Sep 4, 2018·3 cites·18 claims
- 1279US8978927B2Article advancing device and article arrangement shelfARAKAWA TATSUO·Filed 2009·Granted Mar 17, 2015·25 cites·13 claims
- 1375US5153863AApparatus for optically recording and reproducing informationNIPPON CONLUX CO LTD·Filed 1991·Granted Oct 6, 1992·24 cites·4 claims
- 1472US7715374B2Redundancy gateway systemOKI ELECTRIC IND CO LTD·Filed 2007·Granted May 11, 2010·7 cites·9 claims
- 1571US5600621ALaser output control device for an optical information recording and reproducing apparatusNIPPON CONLUX CO LTD·Filed 1994·Granted Feb 4, 1997·19 cites·9 claims
- 1670US7216496B2Heating medium circulating device and thermal, treatment equipment using the deviceTOKYO ELECTRON LTD·Filed 2002·Granted May 15, 2007·13 cites·21 claims
- 1769US10854588B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Dec 1, 2020·1 cites·21 claims
- 1869US10224921B2Semiconductor device and electric power control apparatusRENESAS ELECTRONICS CORP·Filed 2017·Granted Mar 5, 2019·1 cites·4 claims
- 1967US5023439AArrangement for detecting a signal for effecting a focus control of an optical headNIPPON CONLUX CO LTD·Filed 1989·Granted Jun 11, 1991·12 cites·3 claims
- 2066US5574735AError correction circuit which substitutes bits into data stream during periods of data lossJAPAN BROADCASTING CORP·Filed 1994·Granted Nov 12, 1996·16 cites·7 claims
- 2165US9837395B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Dec 5, 2017·1 cites·18 claims
- 2265US6118253ACharging and discharging control circuit and charging type power supply deviceSEIKO INSTR INC·Filed 1999·Granted Sep 12, 2000·43 cites·34 claims
- 2363US8251232B2Article advancing device and article arrangement shelfNAKAYA KAZUNORI·Filed 2010·Granted Aug 28, 2012·7 cites·14 claims
- 2463USD658692SLiner for plasma processing apparatusSUZUKI KOUKI·Filed 2011·Granted May 1, 2012·13 cites·1 claims
- 2563US5909418AOptical information recording device and method for detecting and verifying recorded informationNIPPON CONLUX CO LTD·Filed 1995·Granted Jun 1, 1999·17 cites·10 claims
- 2662US7604042B2Cooling mechanism with coolant, and treatment device with cooling mechanismTOKYO ELECTRON LTD·Filed 2002·Granted Oct 20, 2009·8 cites·5 claims
- 2761US9341986B2Developing device, image forming apparatus, and process cartridgeNAKAMOTO ATSUSHI·Filed 2014·Granted May 17, 2016·1 cites·18 claims
- 2861US5477513AInformation recording/reproducing apparatus for optical information recording medium using reference levels to control track jumpsNIPPON CONLUX CO LTD·Filed 1994·Granted Dec 19, 1995·10 cites·16 claims
- 2960US6129721AMedical laser treatment device and laser probe for the sameMORITA MFG·Filed 1998·Granted Oct 10, 2000·110 cites·12 claims
- 3060US5107102AArrangement for detecting a signal for effecting a focus control of an optical headNIPPON CONLUX CO LTD·Filed 1991·Granted Apr 21, 1992·10 cites·2 claims
- 3157US10895827B2Developer conveyor having three bladesOHHIRA TATSUYA·Filed 2020·Granted Jan 19, 2021·0 cites·11 claims
- 3256US7090218B2Strategic board gameBANDAI AMERICA INC·Filed 2004·Granted Aug 15, 2006·2 cites·14 claims
- 3352US5123003AOptical information reproducing apparatusNIPPON CONLUX CO LTD·Filed 1988·Granted Jun 16, 1992·8 cites·8 claims
- 3452US5065078AD.C. motor control circuit for radio controlled toyROHM CO LTD·Filed 1989·Granted Nov 12, 1991·18 cites·21 claims
- 3551US2024140333A1ProtectorSUMITOMO WIRING SYSTEMS·Filed 2022·Application pending·0 cites
- 3650US5604720AMethod and apparatus for accessing a target track on optical mediumNIPPON CONLUX CO LTD·Filed 1995·Granted Feb 18, 1997·9 cites·6 claims
- 3750US5309417AInformation recording/reproducing apparatus for optical information recording mediumNIPPON CONLUX CO LTD·Filed 1992·Granted May 3, 1994·6 cites·4 claims
- 3849US2018351475A1Power conversion system, power module, and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Application pending·0 cites
- 3947US11048189B2Toner container, toner supply device, and image forming apparatus including a sheet member with two portions to move tonerADACHI TAKAHIRO·Filed 2020·Granted Jun 29, 2021·0 cites·13 claims
- 4047US10317814B2Powder supply device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2016·Granted Jun 11, 2019·0 cites·18 claims
- 4147USD678228SChamber blockSUZUKI KOUKI·Filed 2011·Granted Mar 19, 2013·7 cites·1 claims
- 4247US2014335086A1Modified heat shock protein-antigenic peptide complexUNIV MIAMI·Filed 2014·Application pending·0 cites
- 4346US5561643ATracking system for use in regular and high density optical recording mediumsNIPPON CONLUX CO LTD·Filed 1994·Granted Oct 1, 1996·6 cites·13 claims
- 4445US6092299AVacuum processing apparatusTOKYO ELECTRON LTD·Filed 1998·Granted Jul 25, 2000·11 cites·13 claims
- 4545US5572495AOptical recording and reproducing system using servo control, switches and control circuitryNIPPON CONLUX CO LTD·Filed 1994·Granted Nov 5, 1996·6 cites·18 claims
- 4644US9897938B2Developing device and image forming apparatus incorporating sameKOSHIZUKA SHINNOSUKE·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 4744US9244383B2Toner supplying device and image forming apparatus having a projection which interacts with a depression of a toner container to prevent adhering of toner to an interior of the toner containerOHSHIMA HIRONORI·Filed 2014·Granted Jan 26, 2016·0 cites·13 claims
- 4844US2010175621A1Microwave Plasma Processing ApparatusYAMAZAKI KOICHI·Filed 2007·Application pending·0 cites
- 4943US11163246B2Developing device including a conveyor with a space between blades and image forming apparatus including sameOHHIRA TATSUYA·Filed 2020·Granted Nov 2, 2021·0 cites·5 claims
- 5043US10007209B2Developing device and image forming apparatus incorporating same that reduce low-flow regions of toner within the developing deviceKOSHIZUKA SHINNOSUKE·Filed 2017·Granted Jun 26, 2018·0 cites·14 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →