Inventor
Hideaki Ishikawa
Inventor
Mito, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines12%
F02BInternal-combustion piston engines6%
F23DBurners6%
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 systems6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
B60LPropulsion of electrically-propelled vehicles4%
B82YSpecific uses or applications of nanostructures4%
C07DHeterocyclic compounds4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H05KPrinted circuits4%
PatentTitleYear
9,184,439'Negative-electrode active material for non-aqueous-system secondary battery and production process for the same'20159,000,553'Power module and power converter containing power module'20158,901,345'Process for preparation of optically active diamine derivative salt'20148,859,600'Acetone solvate crystals of trityl olmesartan medoxomil'20148,675,364'Power module and power conversion device'20148,653,652'Semiconductor device, power semiconductor module and power conversion device equipped with power semiconductor module'20145,941,916'Driving apparatus with a function for detecting an electric current and method for detecting its electric current'19995,836,156'Driving device of sensors and actuators'19985,661,905'Method of making a burner device'19975,590,407'Drive through wireless order taking system'19965,525,054'Burner device and a method of making the same'19965,417,566'Method of preventing burning resonance noise and a burner plate'19955,284,783'Method of fabricating a heterojunction bipolar transistor'19945,225,692'Non-linear quantum semiconductor optical device having a signal-to-noise ratio'19935,160,993'High speed optosemiconductor device having multiple quantum wells'19925,047,944'Vehicle control apparatus including abnormality detection'19914,953,513'Engine control apparatus'19904,869,224'In-engine deposit detection apparatus for engine control system'19894,836,169'Engine control apparatus'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Patents assigned to HITACHI LTD (6)· patent assignee history
1989–1991Patents assigned to HITACHI AUTOMOTIVE ENG (3)· patent assignee history
1989–1991Based in Katsuta, JP· patent location history
1992–1994Patents assigned to FUJITSU LTD (3)· patent assignee history
1992–1994Based in Hadano, JP· patent location history
1995–1997Based in Nagoya, JP· patent location history
1998–2015Based in Mito, JP· patent location history
2014–2015Patents assigned to ISHIKAWA HIDEAKI (5)· patent assignee history
2014–2015Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (3)· patent assignee history
2015Based in Kariya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1989–1999 |
| ISHIKAWA HIDEAKIself | 5 | 2014–2015 |
| FUJITSU LTD | 3 | 1992–1994 |
| HITACHI AUTOMOTIVE ENG | 3 | 1989–1991 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mito, JP | 5 | 1998–2015 |
| Katsuta, JP | 4 | 1989–1991 |
| Nagoya, JP | 3 | 1995–1997 |
| Hadano, JP | 2 | 1992–1994 |
| Kariya, JP | 1 | 2015 |