Granted Patent
Utility
US 6,528,012 · App. 09/820,862
Welded structure made of low thermal expansion coefficient alloy and welding material therefore
Inventors:
Kazutoshi Nishimoto, Naoshige Kubo, Hiroshi Iwahashi, Shuji Yamamoto, Hidefumi Yamanaka, Shinji Koga, Yutaka Chida, Taketo Yamakawa, Kouji Michiba, Hiroyuki Hirata, Kazuhiro Ogawa, Toshinobu Nishibata
Patented Case
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Granted: Mar 4, 2003
Filed: Mar 30, 2001
Inventors
Kazutoshi Nishimoto
Naoshige Kubo
Hiroshi Iwahashi
Shuji Yamamoto
Hidefumi Yamanaka
Shinji Koga
Yutaka Chida
Taketo Yamakawa
Kouji Michiba
Hiroyuki Hirata
Kazuhiro Ogawa
Toshinobu Nishibata
Assignees (at issue)
SUMITOMO METAL INDUSTRIES, LTD.
Osaka Gas Co., Ltd.
KAWASAKI JUKOGYO KABUSHIKI KAISHA
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.