Inventor
YAMAZAKI SOICHI
JP56 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI SOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
23 patentsUS7358023B2Apr 15, 2008
Method for producing toner, toner and printed matter
SEIKO EPSON CORP8 citations74
US7083889B2Aug 1, 2006
Toner, fixing device, and image forming apparatus
SEIKO EPSON CORP8 citations74
US9109133B2Aug 18, 2015
Ink jet ink and recorded object
SEIKO EPSON CORP4 citations72
US12091565B2Sep 17, 2024
Ink jet composition and ink jet recording method
SEIKO EPSON CORP2 citations71
US7759038B2Jul 20, 2010
Toner, development unit and image forming apparatus using the same
SEIKO EPSON CORP4 citations63
US7189485B2Mar 13, 2007
Toner
SEIKO EPSON CORP2 citations63
US11912880B2Feb 27, 2024
White pigment composition and recorded matter
SEIKO EPSON CORP0 citations62
US12473441B2Nov 18, 2025
Ink jet ink composition and recording method
SEIKO EPSON CORP0 citations61
US11613664B2Mar 28, 2023
Aqueous ink jet ink composition and ink jet printing method
SEIKO EPSON CORP0 citations61
US11492508B2Nov 8, 2022
Ink jet printing ink composition and ink jet printing method
SEIKO EPSON CORP0 citations61
US11193032B2Dec 7, 2021
Aqueous ink jet ink composition and ink jet printing method
SEIKO EPSON CORP1 citations61
US12338355B2Jun 24, 2025
Ink jet composition and ink jet recording method
SEIKO EPSON CORP0 citations60
US12319822B2Jun 3, 2025
Ink jet composition and ink jet recording method
SEIKO EPSON CORP0 citations60
US11872827B2Jan 16, 2024
Ink for ink jet recording, ink jet recording apparatus, and ink jet recording method
SEIKO EPSON CORP0 citations60
US11040562B2Jun 22, 2021
Ink for ink jet recording, ink jet recording apparatus, and ink jet recording method
SEIKO EPSON CORP0 citations60
US10479904B2Nov 19, 2019
Ink set and recording apparatus
SEIKO EPSON CORP0 citations52
US10370550B2Aug 6, 2019
Ink set and duplex printing method
SEIKO EPSON CORP0 citations52
US10053591B2Aug 21, 2018
Ink set and duplex printing method
SEIKO EPSON CORP1 citations52
US10000650B2Jun 19, 2018
Ink set and recording apparatus
SEIKO EPSON CORP0 citations52
US9334413B2May 10, 2016
Ink set and recording method using the same
SEIKO EPSON CORP0 citations52
US9334414B2May 10, 2016
Ink jet recording method and ink set
SEIKO EPSON CORP0 citations52
US7105261B2Sep 12, 2006
Toner, fixing device, and image forming apparatus
SEIKO EPSON CORP1 citations52
US9284465B2Mar 15, 2016
Ink composition for ink jet recording
SEIKO EPSON CORP1 citations51
TOSHIBA KK
14 patentsUS6495054B1Dec 17, 2002
Etching method and cleaning method of chemical vapor growth apparatus
TOSHIBA KK22 citations93
US6335241B1Jan 1, 2002
Semiconductor device and manufacturing method thereof
TOSHIBA KK29 citations93
US7071107B2Jul 4, 2006
Method for manufacturing a semiconductor device
TOSHIBA KK27 citations92
US7413987B2Aug 19, 2008
Method for manufacturing a semiconductor device
TOSHIBA KK13 citations84
US7378329B2May 27, 2008
Method for manufacturing semiconductor device
TOSHIBA KK10 citations84
US7812425B2Oct 12, 2010
Semiconductor device with lower capacitor electrode that includes islands of conductive oxide films arranged on a noble metal film
TOSHIBA KK7 citations74
US7564089B2Jul 21, 2009
Semiconductor device
TOSHIBA KK2 citations63
US7501675B2Mar 10, 2009
Semiconductor device and method of manufacturing the same
TOSHIBA KK6 citations63
US6995417B2Feb 7, 2006
Semiconductor device having ferroelectric capacitors
TOSHIBA KK5 citations63
US7728368B2Jun 1, 2010
Semiconductor device and method of manufacturing the same
TOSHIBA KK0 citations52
US7531408B2May 12, 2009
Method of manufacturing a semiconductor device containing a PbxSr(1-x)[Zr,Ti]xRu(1-x)O3 film in a capacitor
TOSHIBA KK1 citations52
US7527984B2May 5, 2009
Semiconductor device
TOSHIBA KK0 citations52
US7465628B2Dec 16, 2008
Semiconductor device and method of fabricating the same
TOSHIBA KK1 citations52
US7233040B2Jun 19, 2007
Semiconductor device contains a PbxSr(1−x)[Zr, Ti]xRu(1−x)O3 film in a capacitor
TOSHIBA KK1 citations52
KIOXIA CORP
5 patentsUS12112955B2Oct 8, 2024
Film formation apparatus, film formation method, and method for fabricating semiconductor device
KIOXIA CORP0 citations62
US11935750B2Mar 19, 2024
Method for producing semiconductor device
KIOXIA CORP0 citations61
US11373865B2Jun 28, 2022
Method for manufacturing semiconductor device having a film with layers of different concentrations of elements
KIOXIA CORP0 citations61
US11367624B2Jun 21, 2022
Manufacturing method of semiconductor device
KIOXIA CORP0 citations61
US11361966B2Jun 14, 2022
Method of manufacturing semiconductor device
KIOXIA CORP0 citations61
TOSHIBA MEMORY CORP
4 patentsUS9754793B2Sep 5, 2017
Method for manufacturing semiconductor device
TOSHIBA MEMORY CORP8 citations83
US10930665B2Feb 23, 2021
Semiconductor device
TOSHIBA MEMORY CORP6 citations72
US10515797B2Dec 24, 2019
Method for producing semiconductor device
TOSHIBA MEMORY CORP2 citations71
US10763122B2Sep 1, 2020
Method of manufacturing semiconductor device and etching mask
TOSHIBA MEMORY CORP1 citations61
YAMAZAKI SOICHI
4 patentsUS8955954B2Feb 17, 2015
Pigment ink, ink jet recording apparatus, and ink jet recording method
YAMAZAKI SOICHI5 citations72
US8107863B2Jan 31, 2012
Developing device and image forming apparatus
YAMAZAKI SOICHI2 citations62
US8999051B2Apr 7, 2015
Ink set and recording method using the same
YAMAZAKI SOICHI0 citations51
US8252497B2Aug 28, 2012
Toner, toner production method, and image forming device using the same
YAMAZAKI SOICHI0 citations51
Showing the top 50 of 56 patents by PatentIndex Score.