Patent Assignment
Reel/Frame 018294/0837
Change of Name
Recorded: 2006-09-21
Pages: 38
Assignor
HITACHI HIGH-TECH ELECTRONICS CO., LTD.
Executed: 2001-10-01
Assignee
HITACHI HIGH-TECHNOLOGIES CORPORATION
24-14, NISHI-SHIMBASHI, 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Properties
(3)
Xy Stage, Head Carriage and Tester of Magnetic Head or Magnetic Disk
Movable Stage, Xy Stage, Head Carriage and Tester of Magnetic Head or Magnetic Disk
Optical system, detector and method for detecting peripheral surface defect of translucent disk
Application:
10/815,728 →
Publication:
US 2004/0196454
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 28, 2004
From: MORI, KYOICHI; YAMASAKI, FUJIO; SUGIYAMA, TOSHINORI
To: HITACHI ELECTRONICS ENGINEERING CO., LTD.
Reel/Frame 015193/0831 →
Assignment of Assignor's Interest
Sep 28, 2004
From: MORI, KYOICHI; YAMASAKI, FUJIO; SUGIYAMA, TOSHINORI
To: HITACHI ELECTRONICS ENGINEERING, CO., LTD.
Reel/Frame 015193/0859 →
Assignment of Assignor's Interest
Sep 28, 2004
From: ISHIGURO, TAKAYUKI
To: HITACHI ELECTRONICS ENGINEERING CO., LTD.
Reel/Frame 015193/0864 →
Change of Name
Sep 30, 2004
From: HITACHI ELECTRONICS ENGINEERING CO., LTD.
To: HITACHI HIGH-TECH ELECTRONICS ENGINEERING CO., LTD.
Reel/Frame 015201/0763 →
Change of Name and Address
Mar 30, 2020
From: HITACHI HIGH-TECHNOLOGIES CORPORATION
To: HITACHI HIGH-TECH CORPORATION
Reel/Frame 052259/0227 →