Inventor

Kei Katayama

Inventor
Tokyo, JP

Overview

2→
Patents
2002–2003
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.

F03Bprimary
F03BMachines or engines for liquids25%
F16DCouplings for transmitting rotation25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
Y02PClimate change mitigation technologies in the production or processing of goods25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to HITACHI LTD (1)· patent assignee history
2002Patents assigned to KANSAI ELECTRIC POWER CO (1)· patent assignee history
2002Based in Hitachi, JP· patent location history
2003Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD12002
KANSAI ELECTRIC POWER CO12002
Locations
LocationPatentsSpan
Tokyo, JP12003
Hitachi, JP12002