Inventor
Kazuhiro Murakami
Inventor
Kyoto, JP
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
B41JTypewriters6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
Y10TTechnical subjects covered by former us classification6%
H01LSemiconductor devices5%
H03KPulse technique5%
H04NPictorial communication, e.g. television5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
H01BCables3%
H01GCapacitors3%
PatentTitleYear
10,818,439Solid electrolyte capacitor and method for manufacturing same202010,651,846Driver circuit and switching regulator202010,642,381Vehicular control unit and control method thereof202010,487,393Semiconductor manufacturing apparatus and method of manufacturing semiconductor device201910,343,207Metal joint body and apparatus for manufacturing the metal joint body201910,137,523Resistance welding method and conductor unit201810,003,265Switching power supply device20189,893,036'Semiconductor device and manufacturing method of semiconductor device'20189,758,863'Semiconductor manufacturing apparatus and method of manufacturing semiconductor device'20179,742,283'Switching power supply'20179,731,476'Composite metal sheet'20179,632,374'Overvoltage protection circuit, power supply device, liquid crystal display device, electronic device and television set'20179,553,510'Switching regulator control circuit, switching regulator, electronic appliance, switching power supply device, and television receiver'20179,448,065'Manufacturing method of semiconductor device and semiconductor manufacturing apparatus'20169,421,735'Method for joining metal sheets'20169,327,336'Metal joint'20169,287,059'Electric storage device and method of manufacture thereof'20169,240,717'Switching power supply device and electronic appliance therewith'20169,195,250'Switching power supply device'20158,970,790'Switching power supply device'20158,964,343'Semiconductor device and switching regulator using the device'20158,947,056'Control circuit for step-up switching regulator'20158,934,211'Solenoid control device'20158,842,225'Switching power supply device'20148,830,405'DC/DC converter and television using same'20148,754,881'Operational amplifier and liquid crystal drive device using same, as well as parameter setting circuit, semiconductor device, and power supply unit'20148,604,769'Switching power source device'20138,593,449'Reference voltage generation circuit, power source device, liquid crystal display device'20138,582,259'Semiconductor device and switching regulator using the device'20138,232,197'Method of manufacturing a semiconductor device from which damage layers and native oxide films in connection holes have been removed'20127,817,404'Capacitor and method for manufacturing same'20107,605,076'Method of manufacturing a semiconductor device from which damage layers and native oxide films in connection holes have been removed'20097,499,253'Semiconductor integrated-circuit unit with temperature protective circuit'20097,266,337'Fixing roller, and method of producing the same, fixing device and image forming device'20076,858,804'Cable-enrolling conductive thin-film sheet and manufacturing method thereof'20056,838,620'Structure of mounting terminal to covered electric wire and method thereof'20056,806,417'Conductive thin film sheet, shield harness and method of manufacturing the same'20046,721,060'Recording medium cutter image forming device using same'20046,528,731'Flat shield harness and method for manufacturing the same'20036,527,161'Method of connecting electric wires'20036,478,491'Image forming apparatus'20026,470,160'Image forming apparatus with manual sheet feeder tray or discharged-sheet tray'20026,312,071'Scanning type image formation apparatus'20016,297,478'Thermal processing apparatus for a band film'20016,273,624'Image forming device'20016,250,624'Extension guide apparatus'20016,161,973'Ink-jet image forming device'20004,637,238'Folding key for vehicles'19874,506,639'Method and system for controlling the idle speed of an internal combustion engine at variable ignition timing'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2002Patents assigned to COPYER CO (6)· patent assignee history
2000–2007Based in Tokyo, JP· patent location history
2001–2020Based in Osaka, JP· patent location history
2003–2019Patents assigned to YAZAKI CORP (10)· patent assignee history
2003–2018Based in Shizuoka, JP· patent location history
2009–2020Patents assigned to ROHM CO LTD (17)· patent assignee history
2009–2016Patents assigned to TOSHIBA KK (3)· patent assignee history
2009–2020Based in Kyoto, JP· patent location history
2012–2018Patents assigned to MURAKAMI KAZUHIRO (12)· patent assignee history
2016–2019Based in Susono, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 17 | 2009–2020 |
| MURAKAMI KAZUHIROself | 12 | 2012–2018 |
| YAZAKI CORP | 10 | 2003–2019 |
| COPYER CO | 6 | 2000–2002 |
| TOSHIBA KK | 3 | 2009–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 17 | 2009–2020 |
| Shizuoka, JP | 6 | 2003–2018 |
| Tokyo, JP | 6 | 2000–2007 |
| Osaka, JP | 4 | 2001–2020 |
| Susono, JP | 4 | 2016–2019 |