Patent Assignment
Reel/Frame 075746/0785
Merger
Recorded: 2026-08-24
Pages: 14
Assignor
JAPAN STEEL WORKS M&E, INC.
Executed: 2026-04-01
Assignee
THE JAPAN STEEL WORKS, LTD.
GATE CITY WEST TOWER, 11-1, OSAKI 1-CHOME, SHINAGAWAKU, TOKYO, 141-0032, JAPAN
Covered Properties
(12)
Pressure Vessel for Growing Single Crystals
Ni-Fe BASED FORGING SUPERALLOY EXCELLENT IN HIGH-TEMPERATURE STRENGTH AND HIGH-TEMPERATURE DUCTILITY, METHOD OF MANUFACTURING THE SAME, AND STEAM TURBINE ROTOR
Composition Comprising Hydrogen Storage Alloy and Resin
Low Alloy Steel for Geothermal Power Generation Turbine Rotor, and Low Alloy Material for Geothermal Power Generation Turbine Rotor and Method for Manufacturing the Same
Fe-Ni-Based Alloy Having Excellent High-Temperature Characteristics and Hydrogen Embrittlement Resistance Characteristics, and Method for Producing the Same
Ni-Based Superalloy with Excellent Unsusceptibility to Segregation
Pressure Accumulation Container
Ni-Based Alloy, Gas Turbine Material, and Method for Manufacturing Ni-Based Alloy
Pressure Container for Crystal Production
Pressure Vessel
Hydrogen Pressure Vessel
Gas Pressure Vessel
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 12, 2007
From: SASAGAWA, YUJI; WAKAO, OSAMU; YAMAMURA, YOSHIHIKO; AKATSUKA, SHIGERU
To: SOLVOTHERMAL CRYSTAL GROWTH TECHNOLOGY RESEARCH ALLIANCE
Reel/Frame 019548/0883 →
Assignment of Assignor's Interest
Sep 24, 2007
From: IMANO, SHINYA; KAWANAKA, HIROTSUGU; DOI, HIROYUKI; TAKAHASHI, TATSUYA
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 019868/0158 →
Assignment of Assignor's Interest
Jul 23, 2009
From: TOKIWA, TETSUJI; IWAMOTO, TAKASHI; KAWAHARAZAKI, YOSHINORI; FUJITA, YASUHIRO
To: ASAHI KASEI E-MATERIALS CORPORATION; THE JAPAN STEEL WORKS, LTD.
Reel/Frame 022997/0936 →
Assignment of Assignor's Interest
Mar 2, 2012
From: SOLVOTHERMAL CRYSTAL GROWTH TECHNOLOGY RESEARCH ALLIANCE
To: FURUYA METAL CO., LTD.,; MITSUBISHI CHEMICAL CORPORATION; TOKYO DENPA CO., LTD.,; FUKUDA, TSUGUO
Reel/Frame 027797/0869 →
Assignment of Assignor's Interest
Apr 17, 2012
From: OHSAKI, SATORU; MIKI, KAZUHIRO; AZUMA, TSUKASA; KAJIKAWA, KOJI
To: THE JAPAN STEEL WORKS, LTD.,; KABUSHIKI KAISHA TOSHIBA
Reel/Frame 028059/0310 →
Corrective Assignment to Correct the List of Assignees (by Adding One) and Assignee's Address Previously Recorded on Reel 019868 Frame 0158. Assignor(S) Hereby Confirms the Assignment.
Jul 16, 2013
From: IMANO, SHINYA; KAWANAKA, HIROTSUGU; DOI, HIROYUKI; TAKAHASHI, TATSUYA
To: HITACHI, LTD.; THE JAPAN STEEL WORKS, LTD.
Reel/Frame 030813/0210 →
Assignment of Assignor's Interest
Dec 16, 2013
From: TOKYO DENPA CO., LTD.; FUKUDA, TSUGUO
To: THE JAPAN STEEL WORKS, LTD,; MITSUBISHI CHEMICAL CORPORATION; FURUYA METAL CO., LTD.
Reel/Frame 031789/0729 →
Change of Name
May 22, 2014
From: HITACHI, LTD.
To: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Reel/Frame 033003/0648 →
Confirmatory Assignment
Oct 8, 2014
From: HITACHI, LTD.
To: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Reel/Frame 033917/0209 →
Assignment of Assignor's Interest
Jul 1, 2015
From: SATO, SHINYA; KAYANO, RINZO; TAKAHASHI, TATSUYA; TAKASAWA, KOICHI
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 035949/0975 →
Merger
Jun 23, 2016
From: ASAHI KASEI E-MATERIALS CORPORATION
To: ASAHI KASEI KABUSHIKI KAISHA
Reel/Frame 038991/0698 →
Assignment of Assignor's Interest
Apr 25, 2017
From: ASAHI KASEI KABUSHIKI KAISHA
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 042134/0107 →
Nunc Pro Tunc Assignment
May 26, 2017
From: ASAHI KASEI KABUSHIKI KAISHA
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 042516/0352 →
Merger
Sep 4, 2017
From: MITSUBISHI CHEMICAL CORPORATION
To: MITSUBISHI RAYON CO., LTD.
Reel/Frame 043750/0207 →
Change of Name
Sep 5, 2017
From: MITSUBISHI RAYON CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 043750/0834 →
Assignment of Assignor's Interest
Jun 26, 2018
From: KABUSHIKI KAISHA TOSHIBA
To: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
Reel/Frame 046202/0217 →
Assignment of Assignor's Interest
Aug 10, 2018
From: WADA, YORU; YANAGISAWA, YUSUKE; TSUJI, HIROKAZU
To: THE JAPAN STEEL WORKS, LTD.; TOKYO DENKI UNIVERSITY
Reel/Frame 046617/0094 →
Assignment of Assignor's Interest
Jan 4, 2019
From: MITSUBISHI HEAVY INDUSTRIES, LTD.
To: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
Reel/Frame 047902/0009 →
Assignment of Assignor's Interest
Aug 15, 2019
From: OKAWA, TAKUYA; TAKASAWA, KOICHI; MAEDA, EIJI; YOSHIDA, MASATO
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 050064/0394 →
Assignment of Assignor's Interest
Sep 30, 2019
From: KURIMOTO, KOUHEI; BAO, QUANXI; UEDA, MUTSUO; SASAGAWA, YUJI
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 050566/0426 →
Assignment of Assignor's Interest
Apr 24, 2020
From: WADA, YORU; TSUJI, HIROKAZU
To: THE JAPAN STEEL WORKS, LTD.; TOKYO DENKI UNIVERSITY
Reel/Frame 052494/0564 →
Change of Address
Jul 28, 2020
From: THE JAPAN STEEL WORKS, LTD.
To: THE JAPAN STEEL WORKS, LTD.
Reel/Frame 053326/0960 →
Company Split
Jul 29, 2020
From: THE JAPAN STEEL WORKS, LTD.
To: NIKKO MEC CO., LTD.
Reel/Frame 053337/0972 →
Change of Name
Jul 29, 2020
From: NIKKO MEC CO., LTD
To: JAPAN STEEL WORKS M&E, INC.
Reel/Frame 053336/0169 →
Assignment of Assignor's Interest
Aug 7, 2020
From: HOSOYA, TAKAFUMI
To: THE JAPAN STEEL WORKS, LTD.; TOKYO DENKI UNIVERSITY
Reel/Frame 053427/0406 →