Patents by Inventor Mathi RONGEN

Mathi RONGEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Glass for light guide fiber
    Patent number: 8546282
    Abstract: A glass for a light guide fiber GA1 is used in a core of a fiber 10 of a light guide, and has a refractive index nd between 1.56 and 1.74. The glass for a light guide fiber GA1 has the following composition: (A) SiO2: 20 to 55 wt %, (B11) B2O3: 0 to 2.0 wt %, (B2) does not contain P2O5 and GeO2, (C1) (BaO+SrO+La2O3+Lu2O3+Ta2O5+Gd2O3+WO3): 39 to 46 wt %, (D1) ZnO: 4 to 16 wt %, (E) does not contain Al2O3, (F) does not contain ZrO2, (G) does not contain PbO and As2O3, (H1) (Na2O+K2O): 4 to 10 wt %, (I) Sb2O3: 0 to 0.050 wt %, and (J1) (Na2SO4+K2SO4): 0.32 to 0.78 wt %.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 1, 2013
    Assignees: Olympus Medical Systems Corp., Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno
    Inventors: Hiroaki Kinoshita, Anne Jans Faber, Mathi Rongen, Atsushi Goto, Makoto Tanabe, Yuko Katahira
  • Glass for Light Guide Fiber
    Publication number: 20120302423
    Abstract: A glass for a light guide fiber GA1 is used in a core of a fiber 10 of a light guide, and has a refractive index nd between 1.56 and 1.74. The glass for a light guide fiber GA1 has the following composition: (A) SiO2: 20 to 55 wt %, (B11) B2O3: 0 to 2.0 wt %, (B2) does not contain P2O5 and GeO2, (C1) (BaO+SrO+La2O3+Lu2O3+Ta2O3+Gd2O3+WO3): 39 to 46 wt %, (D1) ZnO: 4 to 16 wt %, (E) does not contain Al2O3, (F) does not contain ZrO2, (G) does not contain PbO and As2O3, (H1) (Na2O+K2O): 4 to 10 wt %, (I1) Sb2O3: 0.001 to 0.010 wt %, and (J1) (Na2SO4+K2SO4): 0.32 to 0.78 wt %.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 29, 2012
    Inventors: Hiroaki KINOSHITA, Anne Jans FABER, Mathi RONGEN, Atsushi GOTO, Makoto TANABE, Yuko KATAHIRA