Inventor
OSAWA HISATO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “OSAWA HISATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMABIKO CORP
18 patentsUS12083612B2Sep 10, 2024
Electric power work device
YAMABIKO CORP1 citations62
US11453110B2Sep 27, 2022
Electric power work device
YAMABIKO CORP1 citations62
US11141874B2Oct 12, 2021
Electric-power-driven working device
YAMABIKO CORP1 citations62
US11826893B2Nov 28, 2023
Electric power work device
YAMABIKO CORP1 citations61
US11685074B2Jun 27, 2023
Hand-held working machine
YAMABIKO CORP1 citations61
US8832947B2Sep 16, 2014
Top-handle working machine
YAMABIKO CORP2 citations60
US12337456B2Jun 24, 2025
Power working machine
YAMABIKO CORP0 citations51
US12336464B2Jun 24, 2025
Driving apparatus
YAMABIKO CORP0 citations51
US10487777B2Nov 26, 2019
Air leading-type stratified scavenging two-stroke internal-combustion engine
YAMABIKO CORP0 citations51
US12589478B2Mar 31, 2026
Electric working machine
YAMABIKO CORP0 citations50
US9970349B2May 15, 2018
Portable working machine
YAMABIKO CORP0 citations50
US9850910B2Dec 26, 2017
Portable working machine
YAMABIKO CORP0 citations50
US12138771B2Nov 12, 2024
Electric working tool
YAMABIKO CORP0 citations49
US11701769B2Jul 18, 2023
Electric working tool
YAMABIKO CORP0 citations49
US9988971B2Jun 5, 2018
Air leading type two-stroke engine and intake system for same, and carburetor
YAMABIKO CORP1 citations49
US8894735B2Nov 25, 2014
Intake device for engine
YAMABIKO CORP1 citations48
US10113517B2Oct 30, 2018
Air cleaner for stratified scavenging two-stroke internal combustion engine
YAMABIKO CORP0 citations40
US10036304B2Jul 31, 2018
Leading-air type two-stroke air-cooled engine
YAMABIKO CORP0 citations40
OSAWA HISATO
4 patentsUS8707568B2Apr 29, 2014
Top-handle working machine
OSAWA HISATO4 citations69
US8397691B2Mar 19, 2013
Work apparatus with internal combustion engine
OSAWA HISATO3 citations60
US8468910B2Jun 25, 2013
Filler member for crankshaft
OSAWA HISATO2 citations57
US9769984B2Sep 26, 2017
Work apparatus with safety equipment
OSAWA HISATO1 citations48