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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrically assisted wheelchair, drive unit, control method and co...
Patent number
12,122,245
Issue date
Oct 22, 2024
Yamaha Hatsudoki Kabushiki Kaisha
Masamitsu Mizuno
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power assist wheelchair, power assist unit for wheelchair, control...
Patent number
11,432,977
Issue date
Sep 6, 2022
Yamaha Hatsudoki Kabushiki Kaisha
Hisashi Takahashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power assist wheelchair, power assist unit for wheelchair, control...
Patent number
11,304,862
Issue date
Apr 19, 2022
Yamaha Hatsudoki Kabushiki Kaisha
Masamitsu Mizuno
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wheelchair electric device, electric wheelchair with wheelchair ele...
Patent number
9,731,784
Issue date
Aug 15, 2017
Yamaha Hatsudoki Kabushiki Kaisha
Masamitsu Mizuno
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICALLY ASSISTED WHEELCHAIR, DRIVE UNIT, CONTROL METHOD AND CO...
Publication number
20220289040
Publication date
Sep 15, 2022
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Masamitsu MIZUNO
B60 - VEHICLES IN GENERAL
Information
Patent Application
POWER ASSIST WHEELCHAIR, POWER ASSIST UNIT FOR WHEELCHAIR, CONTROL...
Publication number
20210338499
Publication date
Nov 4, 2021
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Hisashi TAKAHASHI
B60 - VEHICLES IN GENERAL
Information
Patent Application
POWER ASSIST WHEELCHAIR, POWER ASSIST UNIT FOR WHEELCHAIR, CONTROL...
Publication number
20200253798
Publication date
Aug 13, 2020
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Masamitsu MIZUNO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WHEELCHAIR ELECTRIC DEVICE, ELECTRIC WHEELCHAIR WITH WHEELCHAIR ELE...
Publication number
20160121956
Publication date
May 5, 2016
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Masamitsu MIZUNO
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS