Inventor
Toshiyuki Matsuyama
Inventor
Kasugai, JP
Overview
Patents· 15 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 systems43%
H02JElectric power networks18%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
G05FSystems for regulating electric or magnetic variables7%
G05BControl or regulating systems in general4%
G06FElectric digital data processing4%
G06NComputing arrangements based on specific computational models4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
H03KPulse technique4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
11,029,674Information processing device and information processing method20217,129,682'DC to DC converter producing output voltage exhibit rise and fall characteristics independent of load thereon'20066,911,806'DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon'20056,828,764'Regulator circuit and control method thereof'20046,674,657'Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power system'20046,664,772'DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon'20036,452,364'Battery charge control circuit, battery charging device, and battery charge control method'20026,420,858'DC-to-DC converter circuit having a power saving mode'20026,400,209'Switch circuit with back gate voltage control and series regulator'20026,337,563'DC-DC converter and semicondutor integrated circuit device for DC-DC converter'20026,320,359'DC-DC converter and controller for detecting a malfunction therein'20016,194,875'Controller for DC-DC converter'20016,147,477'DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon'20006,025,706'Method for controlling the output voltage of a DC-DC converter'20005,966,003'DC-DC converter control circuit'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2006Patents assigned to FUJITSU LTD (14)· patent assignee history
1999Based in Kawasaki, JP· patent location history
2000–2006Based in Kasugai, JP· patent location history
2002Based in Komaki, JP· patent location history
2021Patents assigned to OMRON TATEISI ELECTRONICS CO (1)· patent assignee history
2021Based in Kusatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 14 | 1999–2006 |
| OMRON TATEISI ELECTRONICS CO | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kasugai, JP | 12 | 2000–2006 |
| Kusatsu, JP | 1 | 2021 |
| Komaki, JP | 1 | 2002 |
| Kawasaki, JP | 1 | 1999 |