Inventor
Hiroshi Itou
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines11%
H01JElectric discharge tubes or discharge lamps7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
H03KPulse technique7%
B41JTypewriters4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
F02BInternal-combustion piston engines4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
F24FAir-conditioning4%
PatentTitleYear
10,753,662Refrigeration apparatus20208,987,148'Semiconductor device manufacturing method'20158,126,194'Digital watermark embedding apparatus, digital watermark detecting apparatus, and digital watermark system'20126,690,106'Color cathode ray tube'20046,597,330'Plasma addressed display device'20036,434,070'Semiconductor integrated circuit with variable bit line precharging voltage'20025,986,682'Recording apparatus and recording method'19995,243,230'Semiconductor switching apparatus'19935,122,674'Semiconductor switching apparatus'19924,979,991'Production process of pigment'19904,693,222'Intake air control device for an internal combustion engine'19874,418,666'Device for controlling the idling speed of an engine'19834,385,602'Rotational speed control device during idling of engine'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1990Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history
1983–1987Based in Nagoya, JP· patent location history
1992–2012Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1992–1993Based in Amagasaki, JP· patent location history
1999–2012Based in Tokyo, JP· patent location history
2003–2004Based in Chiba, JP· patent location history
2012–2015Patents assigned to ITOU HIROSHI (2)· patent assignee history
2012Patents assigned to ASAI KOUTAROU (1)· patent assignee history
2020Patents assigned to DAIKIN IND LTD (1)· patent assignee history
2020Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 5 | 1992–2012 |
| TOYOTA MOTOR CO LTD | 4 | 1983–1990 |
| ITOU HIROSHIself | 2 | 2012–2015 |
| ASAI KOUTAROU | 1 | 2012 |
| DAIKIN IND LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 2 | 1999–2012 |
| Chiba, JP | 2 | 2003–2004 |
| Amagasaki, JP | 2 | 1992–1993 |
| Nagoya, JP | 2 | 1983–1987 |
| Osaka, JP | 1 | 2020 |