Inventor
Akinobu Nakahata
Inventor
Osaka, JP
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables37%
G03GElectrography32%
B41JTypewriters24%
G06KGraphical data reading2%
LOC162%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,091,343Medium transporting apparatus, medium processing apparatus, and recording system202110,954,091Medium processing apparatus, post-processing apparatus, and medium transporting apparatus202110,576,758Medium feeding device202010,406,835Transport roller201910,384,477Printing apparatus201910,350,916Printing apparatus201910,040,301Printing apparatus201810,029,489Printing apparatus201810,011,131Printing apparatus20189,427,982'Recording apparatus'20168,998,205'Recording apparatus'20158,608,155'Printing apparatus and printing method'20137,597,316'Paper feeding method and paper feeder'20097,460,826'Image forming apparatus'20086,965,740'Image forming apparatus and sheet detecting unit incorporated in the image forming apparatus'20056,026,263'Combination including container for developer and rotating shaft mounted in container with improvements preventing toner from penetrating a gap formed by the shaft and ensuring that an agitator/conveyor of the shaft acts to fully agitate the toner'20006,014,541'Device for recovering toner in an image-forming machine'2000D0398633'Developer unit for an image forming apparatus'19985,812,918'Electrostatic latent image developing device with developing agent-limiting means'19985,758,230'Device for developing electrostatic latent image'19985,752,145'Apparatus for feeding a developing agent through a device for developing an electrostatic latent image'19985,729,803'Device for developing electrostatic latent image which prevents solidification of developing agent by vibration'19985,481,348'Discharge device for use in an image forming apparatus capable of correcting a warp on copy items passed through fixing rollers'19965,430,534'Copy item transport device for use in an image forming apparatus'19955,422,710'Sheet discharging device for use in an image forming apparatus'19955,359,402'Image forming apparatus capable of forming images side by side'19945,347,350'Sheet feeder'19945,320,338'Cassette'19945,318,286'Parallel transport apparatus'19945,199,695'Cassette for feeding sheet materials'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2000Patents assigned to MITA INDUSTRIAL CO LTD (15)· patent assignee history
1993–1994Based in Sakai, JP· patent location history
1994–2000Based in Osaka, JP· patent location history
2005–2021Patents assigned to SEIKO EPSON CORP (15)· patent assignee history
2005–2020Based in Nagano, JP· patent location history
2013Patents assigned to NAKAHATA AKINOBU (1)· patent assignee history
2013Patents assigned to TSUCHIHASHI YOSHIKANE (1)· patent assignee history
2013Patents assigned to YATSUNAMI TETSUJI (1)· patent assignee history
2015–2021Based in Shiojiri, JP· patent location history
2021Based in Shiojiri-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITA INDUSTRIAL CO LTD | 15 | 1993–2000 |
| SEIKO EPSON CORP | 15 | 2005–2021 |
| NAKAHATA AKINOBUself | 1 | 2013 |
| TSUCHIHASHI YOSHIKANE | 1 | 2013 |
| YATSUNAMI TETSUJI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 12 | 1994–2000 |
| Nagano, JP | 10 | 2005–2020 |
| Shiojiri, JP | 3 | 2015–2021 |
| Sakai, JP | 3 | 1993–1994 |
| Shiojiri-shi, JP | 1 | 2021 |