IP Library › Assignment 028840/0370
Patent Assignment
Reel/Frame 028840/0370

Change of Name

Recorded: 2012-08-23 Pages: 3
Assignor
TEIKOKU PISTON RING CO., LTD.
Executed: 2011-10-01
Assignee
TPR CO., LTD.
6-2, MARUNOUCHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Properties (2)
Combination Oil Ring
Patent: 9,458,933 →
Application: 13/042,940 →
Publication: US 2011/0221141
Piston Ring Tension Measurement Apparatus
Patent: 8,365,588 →
Application: 13/177,285 →
Publication: US 2012/0006121
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 11, 2011
From: AYUZAWA, NORIAKI; HAMA, MASAHIDE; KITAZUME, YUTAKA
To: TEIKOKU PISTON RING CO., LTD.
Reel/Frame 025941/0101 →
Assignment of Assignor's Interest Jul 7, 2011
From: MIYAMOTO, ATSUKO
To: TEIKOKU PISTON RING CO., LTD.
Reel/Frame 026554/0011 →