Inventor
Ryosuke Hirokawa
Inventor
Kawasaki, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters47%
B41MPrinting, duplicating, marking, or copying processes35%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
B41FPrinting machines or presses2%
B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes2%
G03GElectrography2%
PatentTitleYear
11,001,053Ink jet recording method and ink jet recording apparatus202110,857,784Printing method and printing apparatus202010,730,285Ink jet printing apparatus and ink jet printing method202010,730,330Ink jet recording apparatus and ink jet recording method202010,723,122Image forming apparatus and image forming method202010,696,076Ink jet recording apparatus and ink jet recording method202010,696,050Ink jet printing apparatus and ink jet printing method202010,654,300Liquid ejection apparatus with liquid in pressure chamber in liquid ejection head being circulated between pressure chamber and outside202010,569,586Ink jet recording apparatus202010,569,531Transfer type ink jet recording method with cooled transfer body202010,569,580Ink jet recording apparatus and ink jet recording method202010,556,448Ink jet printing apparatus and ink jet printing method202010,543,679Ink jet printing apparatus202010,543,705Ink jet recording method using porous body202010,525,700Transfer type ink jet recording method and transfer type ink jet recording apparatus202010,507,666Ink jet recording apparatus and method of producing porous body201910,471,750Printing apparatus, liquid absorbing apparatus, control method201910,464,311Ink jet recording method and ink jet recording apparatus201910,406,829Ink jet recording method and ink jet recording apparatus201910,391,801Inkjet recording method and inkjet recording apparatus201910,384,474Inkjet recording apparatus and inkjet recording method201910,239,330Ink jet recording apparatus and ink jet recording method201910,137,690Ink jet recording apparatus and ink jet recording method201810,071,567Ink jet recording method and ink jet recording apparatus20188,028,991'Image forming apparatus'20117,887,051'Stack alignment device, sheet discharge device and image forming apparatus'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to RICOH CO LTD (2)· patent assignee history
2011Based in Kanagawa, JP· patent location history
2018–2021Patents assigned to CANON KK (23)· patent assignee history
2018–2021Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 23 | 2018–2021 |
| RICOH CO LTD | 2 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 24 | 2018–2021 |
| Kanagawa, JP | 2 | 2011 |