Inventor

KAWAUCHI TAKESHI

JP14 patents

⚠️ This page may combine multiple inventors who share the name “KAWAUCHI TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOWA ELECTRONICS MATERIALS CO LTD

7 patents

US11556070B2Jan 17, 2023

Carrier core material and electrophotographic development carrier using same and electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations60

US9429862B2Aug 30, 2016

Carrier for electrophotographic developer and electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations49

US9329514B2May 3, 2016

Carrier core particle for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations49

US9274446B2Mar 1, 2016

Method for manufacturing carrier core particles for electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations49

US9268246B2Feb 23, 2016

Method for manufacturing carrier core particles for electrophotographic developer, carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations45

US10088764B2Oct 2, 2018

Carrier core material and electrophotographic development carrier using same and electrophotographic developer

DOWA ELECTRONICS MATERIALS CO LTD0 citations42

US9507285B2Nov 29, 2016

Ferrite particles and electrophotographic development carrier using same, electrophotographic developer and method of manufacturing ferrite particles

DOWA ELECTRONICS MATERIALS CO LTD0 citations41

KAWAUCHI TAKESHI

5 patents

US8865386B2Oct 21, 2014

Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer

KAWAUCHI TAKESHI10 citations80

US8617781B2Dec 31, 2013

Carrier core particles for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer

KAWAUCHI TAKESHI2 citations59

US9651886B2May 16, 2017

Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

KAWAUCHI TAKESHI0 citations48

US9195157B2Nov 24, 2015

Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

KAWAUCHI TAKESHI0 citations48

US8883388B2Nov 11, 2014

Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer

KAWAUCHI TAKESHI0 citations41

NAKAMURA MASAHIRO

1 patent

US9164411B2Oct 20, 2015

Carrier core material for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer

NAKAMURA MASAHIRO0 citations50

NAKAO RYUSUKE

1 patent

US8652736B2Feb 18, 2014

Electrophotographic developer carrier core material, electrophotographic developer carrier, methods of manufacturing the same, and electrophotographic developer

NAKAO RYUSUKE0 citations37