Inventor

Tomonaga Oyamada

Inventor
Hitachinaka, JP

Overview

2→
Patents
2005–2016
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.

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof25%
F04DNon-positive-displacement pumps25%
F16CShafts25%
F16KValves25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2016Patents assigned to HITACHI LTD (2)· patent assignee history
2005Based in Chiyoda-ku, JP· patent location history
2016Patents assigned to ONO MASAHIKO (1)· patent assignee history
2016Patents assigned to OYAMADA TOMONAGA (1)· patent assignee history
2016Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD22005–2016
ONO MASAHIKO12016
OYAMADA TOMONAGAself12016
Locations
LocationPatentsSpan
Hitachinaka, JP12016
Chiyoda-ku, JP12005