Inventor
Takuo Ohwada
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1031%
C11DDetergent compositions25%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis13%
H01LSemiconductor devices6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
PatentTitleYear
9,334,470'Cleaning liquid composition for electronic device'20168,513,140'Post-dry etching cleaning liquid composition and process for fabricating semiconductor device'20138,105,998'Liquid composition for removing photoresist residue and polymer residue'20127,943,516'Manufacturing method for semiconductor device'20117,368,064'Cleaning solution and manufacturing method for semiconductor device'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2016Patents assigned to KANTO KAGAKU (5)· patent assignee history
2008–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to OHWADA TAKUO (2)· patent assignee history
2012Based in Saitama, JP· patent location history
2013Patents assigned to ASADA KAZUMI (1)· patent assignee history
2013Patents assigned to HAGINO YUKINO (1)· patent assignee history
2013Patents assigned to ISHIKAWA NORIO (1)· patent assignee history
2016Based in Soka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KANTO KAGAKU | 5 | 2008–2016 |
| OHWADA TAKUOself | 2 | 2012–2013 |
| ASADA KAZUMI | 1 | 2013 |
| HAGINO YUKINO | 1 | 2013 |
| ISHIKAWA NORIO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2008–2013 |
| Soka, JP | 1 | 2016 |
| Saitama, JP | 1 | 2012 |