LexDanaLexDanabeta
Inventor

Masayoshi Doi

Inventor
Osaka, JP

Overview

4→
Patents
2019–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

B63Hprimary
B63HMarine propulsion or steering27%
F02DControlling combustion engines27%
Y02TClimate change mitigation technologies related to transportation27%
B63BShips or other waterborne vessels7%
F02BInternal-combustion piston engines7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
PatentTitleYear
11,111,866Engine device202110,690,069Engine device202010,393,035Engine device201910,378,461Engine device2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to YANMAR CO LTD (4)· patent assignee history
2019–2021Based in Osaka, JP· patent location history
2021Patents assigned to YANMAR POWER TECHNOLOGY CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YANMAR CO LTD42019–2021
YANMAR POWER TECHNOLOGY CO LTD12021
Locations
LocationPatentsSpan
Osaka, JP42019–2021