Inventor

Katsumi Fujima

Inventor
Tsukuba, JP

Overview

6→
Patents
2005–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F01Kprimary
F01KSteam engine plants25%
F25BRefrigeration machines, plants or systems25%
A22BSlaughtering13%
A22CProcessing meat, poultry, or fish13%
F24FAir-conditioning13%
F25DRefrigerators13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2012Patents assigned to MAEKAWA SEISAKUSHO KK (6)· patent assignee history
2005Based in Tokyo, JP· patent location history
2008–2012Based in Tsukuba, JP· patent location history
2009–2012Patents assigned to DOSHISHA (3)· patent assignee history
2009–2012Patents assigned to SHOWA DENKO KK (2)· patent assignee history
2009–2012Patents assigned to YOSHIMURA CONSTRUCTION CO LTD (2)· patent assignee history
2012Patents assigned to ENOMOTO MASATOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAEKAWA SEISAKUSHO KK62005–2012
DOSHISHA32009–2012
SHOWA DENKO KK22009–2012
YOSHIMURA CONSTRUCTION CO LTD22009–2012
ENOMOTO MASATOSHI12012
Locations
LocationPatentsSpan
Tsukuba, JP52008–2012
Tokyo, JP12005