Inventor
Takeshi Kawauchi
Inventor
Okayama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography59%
C01GCompounds containing metals not covered by subclasses c01d or c01f14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
C04BLime, magnesia14%
PatentTitleYear
10,088,764Carrier core material and electrophotographic development carrier using same and electrophotographic developer20189,651,886'Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer'20179,507,285'Ferrite particles and electrophotographic development carrier using same, electrophotographic developer and method of manufacturing ferrite particles'20169,429,862'Carrier for electrophotographic developer and electrophotographic developer'20169,329,514'Carrier core particle for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer'20169,274,446'Method for manufacturing carrier core particles for electrophotographic developer'20169,268,246'Method for manufacturing carrier core particles for electrophotographic developer, carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer'20169,195,157'Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer'20159,164,411'Carrier core material for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer'20158,883,388'Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer'20148,865,386'Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer'20148,652,736'Electrophotographic developer carrier core material, electrophotographic developer carrier, methods of manufacturing the same, and electrophotographic developer'20148,617,781'Carrier core particles for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2018Patents assigned to DOWA ELECTRONICS MATERIALS CO LTD (13)· patent assignee history
2013–2018Patents assigned to DOWA IP CREATION CO LTD (13)· patent assignee history
2013–2017Patents assigned to KAWAUCHI TAKESHI (7)· patent assignee history
2013–2018Based in Okayama, JP· patent location history
2015–2017Patents assigned to IIDA TOMOHIDE (2)· patent assignee history
2015Patents assigned to KITAMURA TOSHIYA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOWA ELECTRONICS MATERIALS CO LTD | 13 | 2013–2018 |
| DOWA IP CREATION CO LTD | 13 | 2013–2018 |
| KAWAUCHI TAKESHIself | 7 | 2013–2017 |
| IIDA TOMOHIDE | 2 | 2015–2017 |
| KITAMURA TOSHIYA | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Okayama, JP | 13 | 2013–2018 |