Granted Patent
Utility
US 6,245,419 · App. 09/390,767
Resin composition having excellent vibration-damping properties and molded article made thereof
Inventors:
Masahiro Hakotani, Koichi Akiyama, Takashi Shibata, Kaneo Hamajima, Osamu Kito, Hiroyuki Takahashi, Kazuhiro Uchida
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Sep 7, 1999
Inventors
Masahiro Hakotani
Koichi Akiyama
Takashi Shibata
Kaneo Hamajima
Osamu Kito
Hiroyuki Takahashi
Kazuhiro Uchida
Assignees (at issue)
Takeda Chemical Industries Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
Uchihama Kasei Co., Ltd.
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.