Inventor
SAKAI TAKUMA
JP36 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI TAKUMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMANO KK
26 patentsUS10189536B2Jan 29, 2019
Bicycle disc brake caliper
SHIMANO KK5 citations83
US11554834B2Jan 17, 2023
Operating system for human-powered vehicle
SHIMANO KK4 citations74
US9643682B2May 9, 2017
Hydraulic operating device
SHIMANO KK2 citations73
US12168495B2Dec 17, 2024
Operating device for human-powered vehicle
SHIMANO KK2 citations72
US11472510B2Oct 18, 2022
Electric device for human-powered vehicle
SHIMANO KK2 citations72
US11425472B2Aug 23, 2022
Operating device for human-powered vehicle
SHIMANO KK4 citations72
US10926831B2Feb 23, 2021
Bicycle disc brake caliper
SHIMANO KK3 citations72
US10829180B2Nov 10, 2020
Hydraulic operating device
SHIMANO KK2 citations72
US10494053B2Dec 3, 2019
Operating device
SHIMANO KK5 citations72
US11897573B2Feb 13, 2024
Operating device for human-powered vehicle
SHIMANO KK2 citations71
US12179881B2Dec 31, 2024
Operating system for human-powered vehicle
SHIMANO KK0 citations62
US11548586B2Jan 10, 2023
Operating device for human-powered vehicle
SHIMANO KK0 citations61
US10358183B2Jul 23, 2019
Hydraulic operating apparatus
SHIMANO KK1 citations61
US12539935B2Feb 3, 2026
Operating device for human-powered vehicle
SHIMANO KK0 citations60
US12227259B2Feb 18, 2025
Operating device for human-powered vehicle
SHIMANO KK0 citations60
US11827306B2Nov 28, 2023
Operating system and electrical switch device for human-powered vehicle
SHIMANO KK0 citations60
US11535334B2Dec 27, 2022
Operating system and electrical switch device for human-powered vehicle
SHIMANO KK0 citations60
US10882584B2Jan 5, 2021
Hydraulic operating device
SHIMANO KK0 citations52
US10882581B2Jan 5, 2021
Operating device and operating system
SHIMANO KK0 citations52
US10800480B2Oct 13, 2020
Hydraulic operating device
SHIMANO KK0 citations52
US11396343B2Jul 26, 2022
Operating device for human-powered vehicle
SHIMANO KK0 citations51
US11390353B2Jul 19, 2022
Operating device for human-powered vehicle
SHIMANO KK0 citations51
US10689063B2Jun 23, 2020
Bicycle disc brake caliper
SHIMANO KK0 citations51
US12139232B2Nov 12, 2024
Control system for human-powered vehicle
SHIMANO KK0 citations50
US10870463B2Dec 22, 2020
Hydraulic operating device
SHIMANO KK0 citations41
US10604208B2Mar 31, 2020
Bicycle suspension tube and bicycle suspension fork
SHIMANO KK0 citations40
UBE INDUSTRIES
6 patentsUS9382477B2Jul 5, 2016
Oxynitride phosphor powder
UBE INDUSTRIES3 citations72
US9464226B2Oct 11, 2016
Li-containing α-sialon-based phosphor, production process thereof, lighting device and image display device
UBE INDUSTRIES6 citations68
US9758720B2Sep 12, 2017
Oxynitride phosphor powder, silicon nitride powder for production of oxynitride phosphor powder, and production method of oxynitride phosphor powder
UBE INDUSTRIES1 citations51
US9828545B2Nov 28, 2017
(Oxy)nitride phosphor powder and method of producing same
UBE INDUSTRIES1 citations49
US9777215B2Oct 3, 2017
Oxynitride phosphor powder
UBE INDUSTRIES0 citations49
US9708533B2Jul 18, 2017
Wavelength conversion member and light-emitting device employing same
UBE INDUSTRIES0 citations39
FUJINAGA MASATAKA
2 patentsUS9023240B2May 5, 2015
Silicon nitride powder for siliconnitride phosphor, CaAlSiN3 phosphor using same, Sr2Si5N8 phosphor using same, (Sr, Ca)AlSiN3 phosphor using same, La3Si6N11 Phosphor using same, and methods for producing the phosphors
FUJINAGA MASATAKA5 citations70
US9023241B2May 5, 2015
Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing these
FUJINAGA MASATAKA4 citations70