Inventor
KAWAMOTO TAKAHIRO
JP46 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMOTO TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
21 patentsUS10151990B2Dec 11, 2018
Toner
CANON KK16 citations83
US10921728B2Feb 16, 2021
Image forming apparatus
CANON KK2 citations73
US10866533B2Dec 15, 2020
Image forming apparatus
CANON KK2 citations73
US10712698B2Jul 14, 2020
Image forming apparatus
CANON KK2 citations73
US9442418B2Sep 13, 2016
Developing device, process cartridge and image forming apparatus
CANON KK4 citations73
US11036161B2Jun 15, 2021
Developer bearing member, developing apparatus, process cartridge, and image forming apparatus
CANON KK0 citations62
US10295926B2May 21, 2019
Image forming apparatus
CANON KK1 citations62
US11782356B2Oct 10, 2023
Developing apparatus, process cartridge, and image forming apparatus
CANON KK0 citations60
US11709439B2Jul 25, 2023
Developing device, regulating member, process cartridge, and image forming apparatus
CANON KK0 citations60
US11493856B2Nov 8, 2022
Developing device, regulating member, process cartridge, and image forming apparatus
CANON KK0 citations60
US11442376B2Sep 13, 2022
Developing apparatus, process cartridge, and image forming apparatus
CANON KK0 citations60
US12298696B2May 13, 2025
Image forming apparatus
CANON KK0 citations52
US10747140B2Aug 18, 2020
Developing apparatus, developer carrying member, process cartridge, and image forming apparatus
CANON KK0 citations52
US10108099B2Oct 23, 2018
Toner
CANON KK0 citations52
US9829815B2Nov 28, 2017
Toner
CANON KK0 citations52
US12242209B2Mar 4, 2025
Image forming apparatus
CANON KK0 citations51
US9501000B2Nov 22, 2016
Image forming apparatus
CANON KK1 citations51
US10571823B2Feb 25, 2020
Image forming apparatus having recovery of toner by developing member, control of charging voltage and charging member cleaning operation
CANON KK0 citations42
US10558138B2Feb 11, 2020
Image forming apparatus
CANON KK0 citations42
US10539906B2Jan 21, 2020
Image forming apparatus to acquire image bearing member surface potentials
CANON KK0 citations42
US10254694B2Apr 9, 2019
Image forming apparatus
CANON KK0 citations42
TOSHIBA KK
14 patentsUS10774404B2Sep 15, 2020
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK7 citations83
US11774184B2Oct 3, 2023
Two-stage heat regenerating cryogenic refrigerator
TOSHIBA KK1 citations73
US11208584B2Dec 28, 2021
Heat regenerating material, regenerator, refrigerator, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, cryopump, and magnetic field application type single crystal pulling apparatus
TOSHIBA KK4 citations73
US11459645B2Oct 4, 2022
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK2 citations72
US11258327B2Feb 22, 2022
Rotating electric machine having magnetic wedge with planes and having differences in magnetic permeability
TOSHIBA KK3 citations72
US12549040B2Feb 10, 2026
Permanent magnet with composition having metallic structure with cell phase type crystal and average distance between platelet phases
TOSHIBA KK0 citations62
US12140381B2Nov 12, 2024
Method for producing a two-stage heat regenerating cryogenic refrigerator
TOSHIBA KK0 citations62
US12140380B2Nov 12, 2024
Method for producing a heat regenerating material particle
TOSHIBA KK0 citations62
US12049686B2Jul 30, 2024
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK0 citations62
US12015306B2Jun 18, 2024
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK1 citations62
US11692250B2Jul 4, 2023
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK0 citations62
US11346613B2May 31, 2022
Heat regenerating material particle, regenerator, refrigerator, superconducting magnet, nuclear magnetic resonance imaging device, nuclear magnetic resonance device, cryopump, and single-crystal pulling device of magnetic-field application type
TOSHIBA KK0 citations62
US11597010B2Mar 7, 2023
Plurality of flaky magnetic metal particles, pressed powder material, and rotating electric machine
TOSHIBA KK0 citations52
US12080458B2Sep 3, 2024
Magnetic composite material and rotating electric machine
TOSHIBA KK0 citations51
TOFLO CORP
6 patentsUS7225685B2Jun 5, 2007
Pipe assembly unit with built-in flow sensors
TOFLO CORP11 citations82
US11047492B2Jun 29, 2021
Ball valve
TOFLO CORP11 citations79
US11003197B2May 11, 2021
Flow rate control device
TOFLO CORP0 citations55
US10514281B2Dec 24, 2019
Impeller-type flowmeter having a resin case with insulating material arranged between a metal coil case and an amplifier case
TOFLO CORP1 citations54
US12405139B1Sep 2, 2025
Flowmeter
TOFLO CORP0 citations51
US11287837B2Mar 29, 2022
Flow rate control unit
TOFLO CORP0 citations41
NITERRA MAT CO LTD
3 patentsUS12559660B2Feb 24, 2026
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
NITERRA MAT CO LTD0 citations59
US12534658B2Jan 27, 2026
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
NITERRA MAT CO LTD0 citations59
US12460117B2Nov 4, 2025
Cold storage material, refrigerator, device incorporating superconducting coil, and method of manufacturing cold storage material
NITERRA MAT CO LTD0 citations59