Inventor
AKIYAMA HIROKI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
23 patentsUS9606462B2Mar 28, 2017
Toner and method for manufacturing toner
CANON KK58 citations98
US10101683B2Oct 16, 2018
Toner and external additive for toner
CANON KK42 citations94
US9829818B2Nov 28, 2017
Toner
CANON KK38 citations94
US9470993B2Oct 18, 2016
Magnetic toner
CANON KK53 citations94
US9341970B2May 17, 2016
Toner
CANON KK42 citations94
US9261804B2Feb 16, 2016
Toner
CANON KK41 citations94
US9250548B2Feb 2, 2016
Toner
CANON KK39 citations94
US9201323B2Dec 1, 2015
Toner
CANON KK47 citations94
US10942463B2Mar 9, 2021
Toner
CANON KK10 citations86
US10768540B2Sep 8, 2020
External additive, method for manufacturing external additive, and toner
CANON KK13 citations86
US10747134B2Aug 18, 2020
External toner additive, method for producing external toner additive, and toner
CANON KK13 citations86
US11112713B2Sep 7, 2021
Toner
CANON KK9 citations85
US11112709B2Sep 7, 2021
Toner and toner manufacturing method
CANON KK12 citations85
US10969704B2Apr 6, 2021
Magnetic toner and method for manufacturing magnetic toner
CANON KK14 citations85
US11809132B2Nov 7, 2023
Toner
CANON KK2 citations73
US11796930B2Oct 24, 2023
Magnetic toner
CANON KK2 citations73
US11415902B2Aug 16, 2022
Toner
CANON KK3 citations73
US10162280B2Dec 25, 2018
Toner
CANON KK2 citations73
US9575461B2Feb 21, 2017
Process cartridge and image forming method using toner having properties for high image quality
CANON KK2 citations73
US12298709B2May 13, 2025
Toner and method for producing toner
CANON KK0 citations52
US12078960B2Sep 3, 2024
Toner and method for producing toner
CANON KK0 citations52
US9500970B2Nov 22, 2016
Toner
CANON KK1 citations52
US12350946B2Jul 8, 2025
Printing apparatus
CANON KK0 citations48
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD
5 patentsUSD983851SApr 18, 2023
Optical fiber fusion splicer
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD4 citations74
US12276841B2Apr 15, 2025
Optical fiber fusion splicing method and fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations61
US12578533B2Mar 17, 2026
Fusion splicing device and core position specification method
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations51
US12546942B2Feb 10, 2026
Fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations51
US12085757B2Sep 10, 2024
Optical fiber fusion splicing device, and fusion splicing method for optical fiber
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations50