Patent Assignment
Reel/Frame 021947/0401
Assignment of Assignor's Interest
Recorded: 2008-12-09
Pages: 4
Assignors
AMANO, RYUHEI
Executed: 2008-11-25
IKEDA, TAKASHI
Executed: 2008-12-01
OKUNO, SHINICHI
Executed: 2008-12-01
NAGASE, OSAMU
Executed: 2008-11-26
KOHNO, YOSHITSUGU
Executed: 2008-11-26
Assignees
SANYO ELECTRIC CO., LTD.
5-5, KEIHANHONDORI 2-CHOME, MORIGUCHI-SHI, OSAKA, 570-8677, JAPAN
RICOH OPTICAL INDUSTRIES CO., LTD.
OHATA 10-109, HANAMAKI CITY, IWATE, 025-0394, JAPAN
Covered Property
(1)
Projection Optical System and Projection Display Device
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Oct 1, 2024
From: RICOH OPTICAL INDUSTRIES CO., LTD.
To: RICOH INDUSTRIAL SOLUTIONS INC.
Reel/Frame 068758/0732 →
Assignment of Assignor's Interest
Oct 8, 2024
From: RICOH INDUSTRIAL SOLUTIONS INC.
To: RICOH COMPANY, LTD.
Reel/Frame 068834/0582 →
Change of Address
Feb 24, 2026
From: SANYO ELECTRIC CO., LTD.
To: SANYO ELECTRIC CO., LTD.
Reel/Frame 074982/0479 →
Change of Address
Feb 24, 2026
From: SANYO ELECTRIC CO., LTD.
To: SANYO ELECTRIC CO., LTD.
Reel/Frame 074983/0494 →
Nunc Pro Tunc Assignment
Feb 24, 2026
From: SANYO ELECTRIC CO., LTD.
To: PANASONIC PROJECTOR & DISPLAY CORPORATION
Reel/Frame 074983/0875 →