Patent Assignment
Reel/Frame 021435/0168
Assignment of Assignor's Interest
Recorded: 2008-08-25
Pages: 3
Assignors
ARAI, MASAHIKO
Executed: 2005-04-28
KAWANAKA, HIROTSUGU
Executed: 2005-04-28
MURATA, KENNICHI
Executed: 2005-04-28
YODA, HIDEO
Executed: 2005-04-28
Assignee
HITACHI, LTD.
6-6, MARUNOUCHI 1-CHOME, CHIYODA-KU,, TOKYO, JAPAN
Covered Property
(1)
Heat Resisting Steel, Steam Turbine Rotor Shaft Using the Steel, Steam Turbine, and Steam Turbine Power Plant
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
May 22, 2014
From: HITACHI, LTD.
To: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Reel/Frame 033003/0648 →
Confirmatory Assignment
Oct 8, 2014
From: HITACHI, LTD.
To: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Reel/Frame 033917/0209 →
Change of Name
Jan 13, 2021
From: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
To: MITSUBISHI POWER, LTD.
Reel/Frame 054975/0438 →
Corrective Assignment to Correct the Removing Patent Application Number 11921683 Previously Recorded at Reel: 054975 Frame: 0438. Assignor(S) Hereby Confirms the Assignment.
May 26, 2023
From: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
To: MITSUBISHI POWER, LTD.
Reel/Frame 063787/0867 →