Patent Assignment
Reel/Frame 026707/0957
Assignment of Assignor's Interest
Recorded: 2011-08-05
Pages: 4
Assignors
MURAKAMI, YUETSU
Executed: 2011-07-13
JUJO, KOICHIRO
Executed: 2011-05-17
TAKAHASHI, OSAMU
Executed: 2011-06-25
TSUNEYOSHI, JUN
Executed: 2011-05-19
SUGAWARA, RYO
Executed: 2011-05-19
TAKANO, TAKESHI
Executed: 2011-05-23
Assignees
THE FOUNDATION: THE RESEARCH INSTITUTE FOR ELECTRIC AND MAGNETIC MATERIALS
2-1-1, YAGIYAMAMINAMI, TAIHAKU-KU,, SENDAI-SHI, MIYAGI, 9820807, JAPAN
SEIKO INSTRUMENTS INC.
8, NAKASE 1-CHOME, MIHAMA-KU,, CHIBA-SHI, CHIBA, 2618507, JAPAN
Covered Property
(1)
Magnetically Insensitive, Highly Hard and Constant-Modulus Alloy, and Its Production Method, as Well as Hair Spring, Mechanical Driving Apparatus and Watch and Clock
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Oct 17, 2024
From: SEIKO INSTRUMENTS INC.
To: SEIKO WATCH CORPORATION
Reel/Frame 069183/0051 →
Nunc Pro Tunc Assignment
Jan 29, 2026
From: RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
To: SEIKO WATCH CORPORATION
Reel/Frame 073632/0226 →
Change of Address
Jan 29, 2026
From: RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
To: RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
Reel/Frame 074533/0145 →
Change of Name
Jan 29, 2026
From: THE FOUNDATION: THE RESEARCH INSTITUTE FOR ELECTRIC AND MAGNETIC MATERIALS
To: RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
Reel/Frame 074533/0370 →