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Inventor

MAKOTO KOYAMA

Inventor
JP

Overview

2→
Patents
2022–2024
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F02Dprimary
F02DControlling combustion engines25%
F16KValves25%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general13%
F04BPositive-displacement machines for liquids13%
F16CShafts13%
F16JPistons13%
PatentTitleYear
11,940,048Valve device202411,448,142Exhaust valve device for vehicle2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to MIKUNI KOGYO KK (2)· patent assignee history
2022–2024Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MIKUNI KOGYO KK22022–2024
Locations
LocationPatentsSpan
JP22022–2024