Inventor

Satoru Tobita

Inventor
Hitachinaka, JP

Overview

35→
Patents
1990–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary
B41JTypewriters71%
G11BInformation storage based on relative movement between record carrier and transducer21%
Y10TTechnical subjects covered by former us classification5%
H03MCoding3%
PatentTitleYear
10,730,292Liquid discharge head, liquid discharge device, and liquid discharge apparatus202010,022,963Liquid discharge head, liquid discharge device, and liquid discharge apparatus20188,911,062'Liquid-jet head and image forming apparatus'20148,845,051'Droplet ejecting apparatus and method for driving the same'20148,777,349'Image forming apparatus including recording head for ejecting liquid droplets'20148,657,401'Image forming apparatus with ink-jet printing system'20148,393,716'Liquid ejection head including flow channel plate formed with pressure generating chamber, method of manufacturing such liquid ejection head, and image forming apparatus including such liquid ejection head'20138,348,407'Liquid ejection head, liquid-droplet ejection device, and image forming apparatus'20137,744,197'Method for manufacturing inkjet recording head of inkjet recording device'20107,695,114'Inkjet head and method of producing the same'20107,681,987'Inkjet recording head'20107,654,652'Ink jet head'20107,651,203'Inkjet recording device, ejecting device provided therein, and method of calibrating ejection characteristic for droplet'20107,494,210'Inkjet recording head having dynamic vibration absorber'20097,478,898'Recording head for inkjet recording device'20097,413,294'Inkjet head with high density nozzle packing'20087,266,286'Editing system and method and distribution medium'20077,131,718'Inkjet head and ejection device'20067,090,340'Inkjet recording head and inkjet recording apparatus using the same'20067,077,511'Housing used in inkjet head'20066,761,436'Inkjet head formed with a plurality of restrictors and inkjet printer including the same'20046,719,411'Ink jet recording head'20046,618,159'Method of switching print modes of printing device'20036,517,189'Ink jet print device and ink supply method for supplying ink to print head of the ink jet print device'20036,356,701'Editing system and method and distribution medium'20026,328,418'Print head having array of printing elements for printer'20016,231,250'Method of controlling reciprocal movement of hammer rank in print device'20015,571,284'Linear motor driven shuttle mechanism for a printer'19965,444,681'Method and apparatus for recording signals with sub-signals indicative of outline of the signals'19955,291,467'Disc recording apparatus for recording a signal without losing the signal during an occurrence of a track jump'19945,257,271'Sample data transmission apparatus'19935,239,529'Multiple beam optical disk apparatus with multiple clock extracting circuits used for monitoring and cross fading'19935,215,392'Dot line printer with paper slack elimination mechanism'19935,206,850'Optically writable record of digital information and recording apparatus therefor'19934,931,927'Method of constructing and recording list of recorded data in postscript type optical disk'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to SONY CORP (8)· patent assignee history
1990–2014Based in Kanagawa, JP· patent location history
1993–2003Patents assigned to HITACHI KOKI KK (6)· patent assignee history
1993Based in Katsuta, JP· patent location history
1996–2010Based in Hitachinaka, JP· patent location history
2006–2010Patents assigned to RICOH PRINTING SYS LTD (10)· patent assignee history
2006–2020Based in Ibaraki, JP· patent location history
2013–2020Patents assigned to RICOH CO LTD (8)· patent assignee history
2013–2018Patents assigned to TOBITA SATORU (7)· patent assignee history
2013Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH PRINTING SYS LTD102006–2010
RICOH CO LTD82013–2020
SONY CORP81990–2007
TOBITA SATORUself72013–2018
HITACHI KOKI KK61993–2003
Locations
LocationPatentsSpan
Hitachinaka, JP151996–2010
Kanagawa, JP131990–2014
Ibaraki, JP52006–2020
Atsugi, JP12013
Katsuta, JP11993