Inventor
Hirokazu Izawa
Inventor
Aisai, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television21%
F25DRefrigerators15%
A47LDomestic washing or cleaning9%
G05DSystems for controlling or regulating non-electric variables9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
B25JManipulators6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
G06KGraphical data reading3%
B41JTypewriters1%
D06FLaundering, drying, ironing, pressing or folding textile articles1%
PatentTitleYear
11,119,484Vacuum cleaner and travel control method thereof202111,006,802Vacuum cleaner202110,951,863Refrigerator, camera device, refrigerator door pocket, and home appliance network system202110,932,635Vacuum cleaner202110,917,616Imaging system and imaging device202110,694,154Camera device for refrigerator and refrigerator comprising same202010,510,110Home electrical appliance and network system201910,389,980Camera system and refrigerator201910,362,275Imaging system and imaging device201910,349,794Autonomous traveling body201910,314,452Vacuum cleaner201910,244,210Camera device for refrigerator and refrigerator comprising same201910,194,081Camera device, compartment-interior imaging system, and compartment-interior-information acquisition device201910,018,402Refrigerator and camera device20189,968,232Autonomous traveling body20189,924,140'Camera device for refrigerator and refrigerator comprising same'20189,661,281'Camera device for refrigerator and refrigerator comprising same'20178,757,335'Damper, washing machine, and washer/dryer'20146,339,278'Inclination adjusting device for light controlling element used in optical scanner'20025,610,459'Photovoltaic drive motor'19975,424,763'Color misregistration-free color image forming apparatus'19955,414,331'Drive circuit for brushless motor'19955,331,341'Image forming apparatus'19945,287,044'Drive circuit for brushless motor'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2014Patents assigned to TOSHIBA KK (7)· patent assignee history
1994–1997Based in Aichi, JP· patent location history
2014Patents assigned to HISANO KOJI (1)· patent assignee history
2014Patents assigned to IZAWA HIROKAZU (1)· patent assignee history
2014Patents assigned to KANEDA YOSHINORI (1)· patent assignee history
2014Based in Minato-ku, JP· patent location history
2017–2021Patents assigned to TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP (17)· patent assignee history
2017–2019Based in Ome, JP· patent location history
2018–2021Based in Aisai, JP· patent location history
2018–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP | 17 | 2017–2021 |
| TOSHIBA KK | 7 | 1994–2014 |
| HISANO KOJI | 1 | 2014 |
| IZAWA HIROKAZUself | 1 | 2014 |
| KANEDA YOSHINORI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aisai, JP | 6 | 2018–2021 |
| Tokyo, JP | 6 | 2018–2021 |
| Ome, JP | 5 | 2017–2019 |
| Aichi, JP | 5 | 1994–1997 |
| Minato-ku, JP | 1 | 2014 |