Inventor
UMEDA TAKESHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
18 patentsUS10379319B2Aug 13, 2019
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP5 citations83
US12228713B2Feb 18, 2025
Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
NIKON CORP1 citations74
US9939621B2Apr 10, 2018
Zoom lens, optical apparatus, and method for manufacturing the zoom lens
NIKON CORP2 citations73
US11231566B2Jan 25, 2022
Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
NIKON CORP3 citations72
US11106023B2Aug 31, 2021
Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
NIKON CORP3 citations72
US10908388B2Feb 2, 2021
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP2 citations72
US12287468B2Apr 29, 2025
Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
NIKON CORP0 citations62
US12169323B2Dec 17, 2024
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP0 citations62
US12085701B2Sep 10, 2024
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations62
US11953664B2Apr 9, 2024
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations62
US11789245B2Oct 17, 2023
Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
NIKON CORP0 citations62
US11668899B2Jun 6, 2023
Zoom lens, optical apparatus, and method for manufacturing zoom lens
NIKON CORP0 citations62
US11428913B2Aug 30, 2022
Zoom lens, optical apparatus, and method for manufacturing the zoom lens
NIKON CORP0 citations62
US11269167B2Mar 8, 2022
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations62
US11150451B2Oct 19, 2021
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations62
US10670847B2Jun 2, 2020
Zoom lens, optical apparatus, and method for manufacturing the zoom lens
NIKON CORP0 citations52
US11966032B2Apr 23, 2024
Variable magnification optical system, optical equipment, and method for producing variable magnification optical system
NIKON CORP0 citations48
US12578561B2Mar 17, 2026
Zoom optical system, optical apparatus and method for manufacturing the zoom optical system
NIKON CORP0 citations44
PANASONIC IP MAN CO LTD
4 patentsUS11945384B2Apr 2, 2024
Backup power supply system, power supply backup method, and program
PANASONIC IP MAN CO LTD0 citations62
US11881738B2Jan 23, 2024
Backup power supply system and vehicle
PANASONIC IP MAN CO LTD0 citations62
US12272539B2Apr 8, 2025
Auxiliary power supply system, module, auxiliary power supply control method, and program
PANASONIC IP MAN CO LTD0 citations51
US11420608B2Aug 23, 2022
Vehicle electricity storage device
PANASONIC IP MAN CO LTD0 citations51