Patents by Inventor Osamu Ikai

Osamu Ikai 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).

  • Seat for vehicle
    Patent number: 10800295
    Abstract: A seat for a vehicle includes: a recliner configured to allow a back frame to pivot about a prescribed pivot axis with respect to a cushion frame. The seat frame is provided with a through hole arranged around the pivot axis. The recliner has a protruding portion fitted into the through hole. The seat further includes a joint portion formed by joining the seat frame and the recliner using laser welding. The joint portion has an outer circumferential portion, an inner circumferential portion and a circumferential end portion. The outer circumferential portion extends along an edge on an outer circumferential side of the through hole. The inner circumferential portion extends along an edge on an inner circumferential side of the through hole. The circumferential end portion extends along an edge on an end side of the through hole and connects the outer circumferential portion and the inner circumferential portion.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 13, 2020
    Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Masato Arashi, Osamu Ikai
  • SEAT FOR VEHICLE
    Publication number: 20190160978
    Abstract: A seat for a vehicle includes: a recliner configured to allow a back frame to pivot about a prescribed pivot axis with respect to a cushion frame. The seat frame is provided with a through hole arranged around the pivot axis. The recliner has a protruding portion fitted into the through hole. The seat further includes a joint portion formed by joining the seat frame and the recliner using laser welding. The joint portion has an outer circumferential portion, an inner circumferential portion and a circumferential end portion. The outer circumferential portion extends along an edge on an outer circumferential side of the through hole. The inner circumferential portion extends along an edge on an inner circumferential side of the through hole. The circumferential end portion extends along an edge on an end side of the through hole and connects the outer circumferential portion and the inner circumferential portion.
    Type: Application
    Filed: November 16, 2018
    Publication date: May 30, 2019
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Masato ARASHI, Osamu IKAI
  • Biocidal material and biocidal method
    Publication number: 20010019727
    Abstract: A biocidal material comprising, as an active ingredient, a compound represented by General Formula (1)
    Type: Application
    Filed: December 13, 2000
    Publication date: September 6, 2001
    Applicant: Secretary, Agency of Industrial Science and Technology & Tomita Pharmaceutical Co., Ltd.
    Inventors: Yoji Makita, Osamu Ikai, Kenta Ooi, Akinari Sonoda, Masahito Taya, Motomu Nishioka, Akira Ookubo, Mikiko Mihara