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Tomohiro USAMI
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Drive unit and electrically assisted bicycle
Patent number
12,202,571
Issue date
Jan 21, 2025
Yamaha Hatsudoki Kabushiki Kaisha
Tatsunori Shimizu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drive unit and electrically assisted vehicle
Patent number
11,548,590
Issue date
Jan 10, 2023
Yamaha Hatsudoki Kabushiki Kaisha
Tomohiro Usami
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Drive unit and electrically assisted bicycle
Patent number
10,933,944
Issue date
Mar 2, 2021
Yamaha Hatsudoki Kabushiki Kaisha
Tomohiro Usami
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Drive unit, electrically assisted vehicle having the drive unit, an...
Patent number
10,855,147
Issue date
Dec 1, 2020
Yamaha Hatsudoki Kabushiki Kaisha
Tomohiro Usami
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Drive unit and electric-motor-assisted bicycle
Patent number
9,915,302
Issue date
Mar 13, 2018
Yamaha Hatsudoki Kabushiki Kaisha
Tomohiro Usami
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Drive unit and electric-motor-assisted bicycle
Patent number
9,834,278
Issue date
Dec 5, 2017
Yamaha Hatsudoki Kabushiki Kaisha
Masatsugu Uda
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
Information
Patent Application
DRIVE UNIT AND ELECTRICALLY ASSISTED VEHICLE
Publication number
20210387695
Publication date
Dec 16, 2021
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Tomohiro USAMI
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
DRIVE UNIT AND ELECTRICALLY ASSISTED BICYCLE
Publication number
20210107591
Publication date
Apr 15, 2021
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Tatsunori SHIMIZU
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
DRIVE UNIT, ELECTRICALLY ASSISTED VEHICLE HAVING THE DRIVE UNIT, AN...
Publication number
20190052153
Publication date
Feb 14, 2019
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Tomohiro USAMI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DRIVE UNIT AND ELECTRICALLY ASSISTED BICYCLE
Publication number
20190047659
Publication date
Feb 14, 2019
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Tomohiro USAMI
B60 - VEHICLES IN GENERAL
Information
Patent Application
DRIVE UNIT AND ELECTRIC-MOTOR-ASSISTED BICYCLE
Publication number
20170356508
Publication date
Dec 14, 2017
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Tomohiro USAMI
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
DRIVE UNIT AND ELECTRIC-MOTOR-ASSISTED BICYCLE
Publication number
20170313383
Publication date
Nov 2, 2017
YAMAHA HATSUDOKI KABUSHIKI KAISHA
Masatsugu UDA
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS