Inventor

Masaki Ohsumi

Inventor
Yokosuka, JP

Overview

25→
Patents
2007–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 25 as inventor

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

B41Jprimary
B41JTypewriters65%
Y10TTechnical subjects covered by former us classification22%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
B29CShaping or joining of plastics3%
H01LSemiconductor devices3%
H10DInorganic electric semiconductor devices3%
PatentTitleYear
9,738,075'Liquid discharge head and method of manufacturing the same'20179,472,639'Forming a liquid ejection head with through holes and a depression'20169,090,067'Method for manufacturing liquid discharge head'20158,956,703'Method for manufacturing liquid ejecting head'20158,753,800'Process for producing ejection orifice forming member and liquid ejection head'20148,632,163'Liquid ejecting head and method for manufacturing the same'20148,613,141'Manufacturing method of liquid ejection head'20138,481,249'Method for manufacturing recording head'20138,450,050'Method for manufacturing recording head'20138,430,476'Method for manufacturing liquid discharge head'20138,388,084'Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection head'20138,329,047'Method for producing liquid discharge head'20128,286,350'Method of manufacturing a liquid discharge head'20128,191,260'Liquid ejection head and manufacturing method thereof'20128,187,898'Method for manufacturing liquid discharge head'20128,163,187'Process of producing liquid discharge head'20128,133,662'Method for manufacturing liquid discharge head'20128,128,204'Liquid ejection head and method for manufacturing liquid ejection head'20127,930,824'Method of manufacturing ink jet recording head'20117,901,064'Ink jet recording head with ink filter formed of a plurality of stacked films'20117,891,784'Liquid ejection head and method for manufacturing liquid ejection head'20117,735,961'Liquid discharge head and method of producing the same'20107,523,553'Method of manufacturing ink jet recording head'20097,300,596'Method of manufacturing liquid discharge head'20077,282,243'Pattern forming method and method of manufacturing ink jet recording head'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2017Patents assigned to CANON KK (23)· patent assignee history
2007–2017Based in Yokosuka, JP· patent location history
2007–2011Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to OHSUMI MASAKI (13)· patent assignee history
2012–2015Patents assigned to TAGAWA YOSHINORI (8)· patent assignee history
2012–2015Patents assigned to ASAI KAZUHIRO (7)· patent assignee history
2012–2013Patents assigned to KOYAMA SHUJI (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK232007–2017
OHSUMI MASAKIself132012–2015
TAGAWA YOSHINORI82012–2015
ASAI KAZUHIRO72012–2015
KOYAMA SHUJI42012–2013
Locations
LocationPatentsSpan
Yokosuka, JP232007–2017
Kanagawa, JP22007–2011