Inventor
Yasumasa Ohtsuka
Inventor
Yokohama, JP
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography61%
H05BElectric heating10%
G06KGraphical data reading5%
B82YSpecific uses or applications of nanostructures3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
C23CCoating metallic material2%
C30BSingle-crystal growth2%
G06VImage or video recognition or understanding2%
H01HElectric switches2%
H01JElectric discharge tubes or discharge lamps2%
PatentTitleYear
11,035,034Film formation method, vacuum processing apparatus, method of manufacturing semiconductor light emitting element, semiconductor light emitting element, method of manufacturing semiconductor electronic element, semiconductor electronic element, and illuminating apparatus202110,997,422Information processing apparatus, information processing method, and program20216,469,279'Image heating apparatus and heater'20026,377,777'Fluorine-containing resin-coated pressure roller and heat-fixing device'20026,347,211'Fixing apparatus preventing leakage of electric current from inner surface of fixing roller'20026,323,460'Image heating apparatus in which first and second heating resistors are within a width of a nip through which a recording material passes'20016,005,594'Fixing apparatus having a fixing roller with a non-adhesive surface layer'19995,862,445'Image heating apparatus using inductive heating'19995,860,052'Image heating apparatus'19995,852,763'Image heating apparatus'19985,801,360'Image fixing apparatus'19985,778,293'Image heating apparatus'19985,697,037'Fixing device and film for use in it'19975,669,039'Image heating apparatus capable of varying feeding intervals between recording materials'19975,659,869'Image fixing apparatus having pressure roller with fluorine surface active agent'19975,592,276'Image fixing device with heater responsive to thermal stress'19975,568,240'Image heating apparatus'19965,552,582'Image heating apparatus'19965,552,874'Image fixing apparatus'19965,534,987'Fixing apparatus with variable fixing temperature'19965,471,288'Image heating apparatus and heating film'19955,464,964'Image heating apparatus changing set temperature in accordance with temperature of heater'19955,444,521'Image fixing device capable of controlling heating overshoot'19955,365,314'Image heating apparatus capable of changing duty ratio'19945,331,385'Fixing rotatable member having conductive parting layer and fixing apparatus using same'19945,280,155'Image heater having film guide with projections'19945,253,022'Image forming apparatus'19935,253,024'Fixing apparatus with rectifier element'19935,235,386'Charging device having charging member, process cartridge and image forming apparatus'19935,179,397'Image forming apparatus with constant voltage and constant current control'19935,177,549'Image forming apparatus supplied with controllable bias voltage'19935,153,654'Image forming apparatus having transfer member for carrying transfer material'19925,138,390'Cleaning sheet for fixating rotational member and image forming apparatus having fixating rotational member'19924,965,747'Image forming apparatus'19904,725,854'Laser emitting apparatus and laser beam printer using same'19884,719,489'Recording apparatus having material feed mode dependent fixing control'19884,707,748'Image recording apparatus'19874,682,876'Information recording apparatus'19874,626,096'Image forming apparatus for forming a visual image in accordance with image signals'19864,563,694'Image information recording apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2002Patents assigned to CANON KK (37)· patent assignee history
1986–2002Based in Yokohama, JP· patent location history
1994Patents assigned to CANON KABUSHIHI KAISHA (1)· patent assignee history
1997Patents assigned to IST CORP (1)· patent assignee history
1999–2002Based in Toride, JP· patent location history
2021Patents assigned to CANON ANELVA CORP (1)· patent assignee history
2021Patents assigned to NEC CORP (1)· patent assignee history
2021Based in Kawasaki, JP· patent location history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 37 | 1986–2002 |
| CANON ANELVA CORP | 1 | 2021 |
| CANON KABUSHIHI KAISHA | 1 | 1994 |
| IST CORP | 1 | 1997 |
| NEC CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 36 | 1986–2002 |
| Toride, JP | 2 | 1999–2002 |
| Kawasaki, JP | 1 | 2021 |
| Tokyo, JP | 1 | 2021 |