Inventor

Yoshinobu Urayama

Inventor

Fujisawa, JP

Overview

2007–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 11 as inventor

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

B41Jprimary

B41JTypewriters69%

Y10TTechnical subjects covered by former us classification31%

PatentTitleYear

8,329,047'Method for producing liquid discharge head'2012 8,128,204'Liquid ejection head and method for manufacturing liquid ejection head'2012 7,930,824'Method of manufacturing ink jet recording head'2011 7,901,064'Ink jet recording head with ink filter formed of a plurality of stacked films'2011 7,891,784'Liquid ejection head and method for manufacturing liquid ejection head'2011 7,862,158'Method of manufacturing ink jet recording head, ink jet cartridge'2011 7,753,502'Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge'2010 7,735,961'Liquid discharge head and method of producing the same'2010 7,523,553'Method of manufacturing ink jet recording head'2009 7,300,596'Method of manufacturing liquid discharge head'2007 7,287,847'Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to CANON KK (11)· patent assignee history

2007–2011Based in Kanagawa, JP· patent location history

2009–2012Based in Fujisawa, JP· patent location history

2010Based in Hiratsuka, JP· patent location history

2012Patents assigned to ABO HIROYUKI (2)· patent assignee history

2012Patents assigned to FUJII KENJI (2)· patent assignee history

2012Patents assigned to KOBAYASHI JUNICHI (2)· patent assignee history

2012Patents assigned to KOYAMA SHUJI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	11	2007–2012
ABO HIROYUKI	2	2012
FUJII KENJI	2	2012
KOBAYASHI JUNICHI	2	2012
KOYAMA SHUJI	2	2012

Locations

Location	Patents	Span
Fujisawa, JP	5	2009–2012
Kanagawa, JP	5	2007–2011
Hiratsuka, JP	1	2010