Patents by Inventor Gen-Ichi Konishi

Gen-Ichi Konishi 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).

  • TWO-PHOTON-ABSORBING COMPOUND
    Publication number: 20170015626
    Abstract: A two-photon-absorbing compound which is excellent in water-solubility, is excited by two-photon absorption in a near-infrared wavelength region, and emits a red fluorescence.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 19, 2017
    Inventors: Yasutaka Suzuki, Jun Kawamata, Hiroki Moritomo, Makoto Tominaga, Gen-ichi Konishi, Yosuke Niko
  • Diacetylene derivative and liquid crystalline polymer having diacetylene structure
    Patent number: 9139774
    Abstract: The present invention provides a diacetylene derivative represented by the following formula (A) which exhibits liquid crystallinity by itself and has a large refractive index anisotropy or does not exhibit liquid crystallinity by itself but exhibits a large refractive index anisotropy when added to a liquid crystalline compound: R1-Sp1-(Ar1)p-(Ar3)q-(Phe)r-C?C—C?C-(Phe)r-(Ar4)q-(Ar2)p-Sp2-R2??(A) (wherein R1 and R2 are a hydrogen, halogen, cyano, isothiocyanate, alkyl, alkenyl, alkynyl or reactive group, SP1 and SP2 are each a spacer group, Ar1 and Ar2 are each a non-substituted or substituted aromatic carbocyclic or heterocyclic group, Ar3 and Ar4 are each a non-substituted or substituted heterocyclic group, Phe is a non-substituted or substituted 1,4-phenylene group, and p, q and r are each 0 or 1.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: September 22, 2015
    Assignees: Tokyo Institute of Technology, JX Nippon Oil & Energy Corporation
    Inventors: Yuki Arakawa, Gen-Ichi Konishi, Shunpei Nakajima, Sungmin Kang, Junji Watanabe, Takuya Matsumoto, Suzushi Nishimura, Takehiro Toyooka
  • DIACETYLENE DERIVATIVE AND LIQUID CRYSTALLINE POLYMER HAVING DIACETYLENE STRUCTURE
    Publication number: 20130324684
    Abstract: The present invention provides a diacetylene derivative represented by the following formula (A) which exhibits liquid crystallinity by itself and has a large refractive index anisotropy or does not exhibit liquid crystallinity by itself but exhibits a large refractive index anisotropy when added to a liquid crystalline compound: R1-Sp1-(Ar1)p-(Ar3)q-(Phe)r-C?C—C?C-(Phe)r-(Ar4)q-(Ar2)p-Sp2-R2??(A) (wherein R1 and R2 are a hydrogen, halogen, cyano, isothiocyanate, alkyl, alkenyl, alkynyl or reactive group, SP1 and SP2 are each a spacer group, Ar1 and Ar2 are each a non-substituted or substituted aromatic carbocyclic or heterocyclic group, Ar3 and Ar4 are each a non-substituted or substituted heterocyclic group, Phe is a non-substituted or substituted 1,4-phenylene group, and p, q and r are each 0 or 1.
    Type: Application
    Filed: January 31, 2012
    Publication date: December 5, 2013
    Applicants: JX NIPPON OIL & ENERGY CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Yuki Arajawa, Gen-Ichi Konishi, Shunpei Nakajima, Sungmin Kang, Junji Watanabe, Takuya Matsumoto, Suzushi Nishimura, Takehiro Toyooka