Patent Assignment
Reel/Frame 073191/0010
Change of Address
Recorded: 2025-10-23
Pages: 12
Assignor
ASAHI KASEI MEDICAL CO., LTD.
Executed: 2018-08-13
Assignee
ASAHI KASEI MEDICAL CO., LTD.
1-1-2 YURAKUCHO, CHIYODA-KU, TOKYO, 100-0006, JAPAN
Covered Properties
(22)
Cell-Filled Hollow Fiber Membranes Having Modified Cross-Section
Leukocyte Removal Method
Filtration Method
Use of Porous Hollow-Fiber Membrane for Producing Clarified Biomedical Culture Medium
Blood Processing Filter and the Method for Manufacturing the Same
Blood Processing Filter and Method for Priming the Filter
Method for Removing Viruses from High Concentration Monoclonal Antibody Solution
Method for Manufacturing Protein Drug
Blood Treatment Filter, Blood Circuit, and Blood Treatment Method
Method for Producing Parvovirus Having High Infectivity Titer
Ferrule Coupling and Sealing Mechanism for Liquid Passage Nozzle of Membrane Module
Method for Purifying Antibody Protein
Blood Processing Filter and Blood Processing Method
Membrane Module Apparatus, Packaging Body, Liquid Treatment System, Steam Sterilization Method and System Constructing Method
Virus Removal Membrane
Virus Removal Membrane
Cation-Exchange Chromatographic Support and Method for Using Same
Porous Membrane
Filter Element for Blood Processing Filter and Blood Processing Filter
Method for Producing Parvovirus Having High Infectivity Titer and High Purity
Blood Processing Filter
Virus Removal Membrane and Method for Manufacturing Virus Removal Membrane
Related Assignments
(22)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 8, 2005
From: FUNATSU, KAZUMORI; NAKAZAWA, KOHJI; MIZUMOTO, HIROSHI; FUKUDA, JUNJI
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 016314/0213 →
Assignment of Assignor's Interest
Oct 3, 2007
From: KOBAYASHI, KENJI
To: ASAHI KASEI MEDICAL CO, LTD
Reel/Frame 019949/0781 →
Change of Name
May 7, 2008
From: ASAHI KASEI MEDICAL CO., LTD.
To: ASAHI KASEI KURARAY MEDICAL CO., LTD.
Reel/Frame 020912/0280 →
Corrective Assignment to Correct the the Second Assignee Kazumori Funatsu Was Omitted from the Originally Filed Notice of Recordation Previously Recorded on Reel 016314 Frame 0213. Assignor(S) Hereby Confirms the the Original Assignment Reads Asahi Kasei Medical Co., Ltd and Kazumori Funatsu.
Jul 7, 2010
From: FUNATSU, KAZUMORI; NAKAZAWA, KOHJI; MIZUMOTO, HIROSHI; FUKUDA, JUNJI
To: FUNATSU, KAZUMORI; ASAHI KASEI KURARAY MEDICAL CO., LTD
Reel/Frame 024642/0423 →
Assignment of Assignor's Interest
Jan 21, 2011
From: YANAGIDA, KOICHIRO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 025679/0309 →
Assignment of Assignor's Interest
May 9, 2011
From: KATO, CHIHIRO; SEKI, YUUKOU; SHIKI, SATOSHI
To: ASAHI KASEI CHEMICALS CORPORATION; ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 026243/0572 →
Assignment of Assignor's Interest
Nov 15, 2011
From: YOKOMIZO, TOMOHISA; MIURA, MORIKAZU
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 027228/0740 →
Assignment of Assignor's Interest
Nov 15, 2011
From: YOKOMIZO, TOMOHISA; MIURA, MORIKAZU
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 027228/0712 →
Assignment of Assignor's Interest
Dec 12, 2011
From: HONGO, TOMOKO; KOMURO, MASAYASU
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 027364/0416 →
Merger
Jun 27, 2012
From: ASAHI KASEI KURARAY MEDICAL CO., LTD.
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 028453/0571 →
Change of Address of Assignee
May 21, 2013
From: KOBAYASHI, KENJI
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 030462/0368 →
Assignment of Assignor's Interest
Mar 28, 2014
From: HONGO, TOMOKO; HAYASHIDA, HIROHISA
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 032552/0765 →
Assignment of Assignor's Interest
Jun 2, 2015
From: YOKOMIZO, TOMOHISA
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 035767/0249 →
Assignment of Assignor's Interest
Jul 7, 2015
From: YANAGIDA, KOICHIRO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 036010/0034 →
Assignment of Assignor's Interest
Aug 19, 2015
From: ARAMAKI, SHOSAKU; SAOTOME, TOMOHIRO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 036361/0418 →
Assignment of Assignor's Interest
Oct 16, 2015
From: TANIGUCHI, HIROKI; GOTO, MASAKO; KOGUMA, ICHIRO; YOKOYAMA, YOSHIRO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 036811/0827 →
Assignment of Assignor's Interest
Jun 10, 2016
From: YOKOMIZO, TOMOHISA; UCHIYAMA, TOMOKO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 038878/0376 →
Assignment of Assignor's Interest
Aug 10, 2016
From: FUKADA, SEIJI
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 039395/0967 →
Assignment of Assignor's Interest
Oct 6, 2016
From: HAMAMOTO, RYO; HONGO, TOMOKO; NAGOYA, FUJIHARU
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 039957/0865 →
Assignment of Assignor's Interest
Nov 29, 2016
From: HAMAMOTO, RYO; HONGO, TOMOKO; KON, YUSUKE
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 040453/0570 →
Assignment of Assignor's Interest
Apr 18, 2017
From: TANIGUCHI, HIROKI; KOGUMA, ICHIRO
To: ASAHI KASEI MEDICAL CO., LTD.
Reel/Frame 042045/0192 →
Nunc Pro Tunc Assignment
Oct 23, 2025
From: ASAHI KASEI MEDICAL CO., LTD.
To: ASAHI KASEI LIFE SCIENCE CORPORATION
Reel/Frame 072650/0301 →