Inventor
Tatsuro Watanabe
Inventor
Kanagawa, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters44%
B41MPrinting, duplicating, marking, or copying processes13%
B41FPrinting machines or presses6%
C10LFuels not otherwise provided for6%
F23GCremation furnaces6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
B01DSeparation3%
B05BSpraying apparatus3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
G03GElectrography3%
PatentTitleYear
11,001,065Roll device, roll apparatus, head maintenance device, and liquid discharge apparatus202110,834,285Printing apparatus adjusting phase differences of received signals202010,457,039Printhead, printing apparatus, and control method201910,279,604Printing apparatus and printed material manufacturing method20199,873,266Printing apparatus and printed material manufacturing method20189,623,677'Printing apparatus and printed material manufacturing method'20179,399,358'Image forming apparatus, image forming system, and method of producing printed product'20169,259,924'Printing apparatus and printed material manufacturing method'20169,259,941'Image forming apparatus, image forming system, and method of producing printed product'20168,905,529'Inkjet recording device'20148,851,643'Inkjet image forming apparatus'20148,506,064'Image forming apparatus, method of controlling operations of removing air bubbles and computer readable information recording medium'20138,465,125'Image forming apparatus with a structure for preventing bubbles from entering recording head or remaining in a fluid supply channel'20138,465,134'Image forming apparatus'20138,272,731'Image forming apparatus'20127,931,706'Method and apparatus for fermentation'20117,285,141'Method and apparatus for fermentation'20076,244,594'Apparatus for storing sheets driven out of an image forming apparatus'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001Based in Kakuda, JP· patent location history
2007–2011Based in Mie, JP· patent location history
2012–2021Patents assigned to RICOH CO LTD (13)· patent assignee history
2012–2019Patents assigned to WATANABE TATSURO (12)· patent assignee history
2012–2014Based in Miyagi, JP· patent location history
2014–2019Patents assigned to HIRATSUKA HIROYUKI (7)· patent assignee history
2014–2021Based in Kanagawa, JP· patent location history
2016–2019Patents assigned to NAGAI KOJI (6)· patent assignee history
2016–2019Patents assigned to MATSUMOTO HIROYOSHI (4)· patent assignee history
2019–2020Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 13 | 2012–2021 |
| WATANABE TATSUROself | 12 | 2012–2019 |
| HIRATSUKA HIROYUKI | 7 | 2014–2019 |
| NAGAI KOJI | 6 | 2016–2019 |
| MATSUMOTO HIROYOSHI | 4 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 8 | 2014–2021 |
| Miyagi, JP | 5 | 2012–2014 |
| Kawasaki, JP | 2 | 2019–2020 |
| Mie, JP | 2 | 2007–2011 |
| Kakuda, JP | 1 | 2001 |