Inventor
Masahiro Maekawa
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines13%
Y02TClimate change mitigation technologies related to transportation13%
F02DControlling combustion engines10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
F25BRefrigeration machines, plants or systems6%
H02JElectric power networks6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B60LPropulsion of electrically-propelled vehicles3%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
B62HCycle stands3%
PatentTitleYear
8,386,228'Microcomputer simulator'20137,253,746'Vehicle-presence notifying apparatus and vehicle-presence notifying method'20077,159,550'Variable valve train of internal combustion engine'20077,073,470'Variable valve apparatus of internal combustion engine'20066,948,465'Variable valve mechanism for engine'20056,918,363'Valve drive apparatus of internal-combustion engine'20056,467,466'Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same'20026,240,910'Fuel injection control system for compressed natural gas-fueled automotive vehicle'20016,150,794'Charging system for motor-driven vehicle'20005,627,737'Power inverter for use in system interconnection'19975,170,242'Reaction barrier for a multilayer structure in an integrated circuit'19925,156,013'Control device for absorption refrigerator'19925,138,846'Control system for absorption refrigerator'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2000Patents assigned to SANYO ELECTRIC CO (4)· patent assignee history
1992–2000Based in Hirakata, JP· patent location history
2001–2013Patents assigned to FUJITSU TEN LTD (4)· patent assignee history
2001–2013Based in Kobe, JP· patent location history
2005Patents assigned to FUSCO ENGINEERING CORP (1)· patent assignee history
2005Patents assigned to FUSO ENGINEERING CORP (1)· patent assignee history
2005–2007Based in Tokyo, JP· patent location history
2006Based in Minato-ku, JP· patent location history
2007Based in Hyogo, JP· patent location history
2013Patents assigned to HIGUCHI TAKASHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU TEN LTD | 4 | 2001–2013 |
| SANYO ELECTRIC CO | 4 | 1992–2000 |
| FUSCO ENGINEERING CORP | 1 | 2005 |
| FUSO ENGINEERING CORP | 1 | 2005 |
| HIGUCHI TAKASHI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2005–2007 |
| Hirakata, JP | 3 | 1992–2000 |
| Kobe, JP | 2 | 2001–2013 |
| Hyogo, JP | 1 | 2007 |
| Minato-ku, JP | 1 | 2006 |