Patents by Inventor Hiroyuki Inagaki

Hiroyuki Inagaki 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).

  • Process for producing 1,4-butanediol and tetrahydrofuran
    Patent number: 4977284
    Abstract: A process of producing 1,4-butanediol and tetrahydrofuran by catalytically hydrogenating maleic acid anhydride and/or succinic acid anhydride in a gas phase and in the presence of a catalyst.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: December 11, 1990
    Assignee: Tonen Corporation
    Inventors: Sadakatsu Suzuki, Hiroyuki Inagaki, Hiroshi Ueno
  • Disposable diaper and method for incorporation of elastic member into such diaper
    Patent number: 4687477
    Abstract: A disposable diaper provided with elastic members respectively comprising a plurality of rubber strings in respective side flaps of the diaper so that these elastic members provide a plurality of longitudinally extending elastic lines in said side flaps to provide a good fit of said side flaps around infant's thighs.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: August 18, 1987
    Assignee: Uni-Charm Corporation
    Inventors: Migaku Suzuki, Satoshi Sasaki, Takashi Mitsuno, Hiroyuki Inagaki
  • Disposable diaper and method for incorporation of elastic member into such diaper
    Patent number: 4626305
    Abstract: A disposable diaper provided with elastic members respectively comprising a plurality of rubber strings in respective side flaps of the diaper so that these elastic members provide a plurality of longitudinally extending elastic lines in said side flaps to provide a good fit of said side flaps around infant's thighs.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: December 2, 1986
    Assignee: Uni-Charm Corporation
    Inventors: Migaku Suzuki, Satoshi Sasaki, Takashi Mitsuno, Hiroyuki Inagaki