Patent Assignment
Reel/Frame 074533/0145
Change of Address
Recorded: 2026-01-29
Pages: 10
Assignor
RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
Executed: 2018-01-01
Assignee
RESEARCH INSTITUTE FOR ELECTROMAGNETIC MATERIALS
9-5-1, NARITA, TOMIYA, MIYAGI, 981-3341, 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.
Assignment of Assignor's Interest
Aug 5, 2011
From: MURAKAMI, YUETSU; JUJO, KOICHIRO; TAKAHASHI, OSAMU; TSUNEYOSHI, JUN
To: THE FOUNDATION: THE RESEARCH INSTITUTE FOR ELECTRIC AND MAGNETIC MATERIALS; SEIKO INSTRUMENTS INC.
Reel/Frame 026707/0957 →
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 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 →