Inventor

OISHI KOHEI

JP8 patents

Patents

8 patents

US11878726B2Jan 23, 2024

Handcart

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US11390310B2Jul 19, 2022

Handcart

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US11787458B2Oct 17, 2023

Handcart

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US11801882B2Oct 31, 2023

Handcart

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US11400966B2Aug 2, 2022

Handcart

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US11833656B2Dec 5, 2023

Chain saw

MAKITA CORP0 citations60

US12426535B2Sep 30, 2025

Working machine and blade unit

MAKITA CORP0 citations49

US12364191B2Jul 22, 2025

Reciprocating blades with sealing member for motion conversion mechanism

MAKITA CORP0 citations47