Patents Assigned to Mitsuhiko Tanahashi
  • Patent number: 5343913
    Abstract: A wood treating method and apparatus whereby a wood which is thin or bent, such as a soft wood or wood removed during growth or a wood from thinning, is strengthened, straightened and molded in any desired shape, wherein after the wood is heated and softened in a high temperature high pressure atmosphere, mechanical compressive forces are applied to the wood to minimize the voids in the wood; thus, the wood is hardened, strengthened and the bent wood is corrected, making it possible to form the wood in any desired shape without lumbering the same.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: September 6, 1994
    Assignees: Hisaka Works Limited, Mitsuhiko Tanahashi
    Inventors: Mitsuhiko Tanahashi, Masafumi Inoue, Syuzo Fukada, Chikayoshi Ota, Senji Kimoto
  • Patent number: 5247975
    Abstract: A wood treating method and apparatus in which a wood which is thin or bent, such as a soft wood or wood removed during growth or a wood from thinning, is strengthened, straightened and molded in any desired shape, wherein after the wood is heated and softened in a high temperature high pressure atmosphere, mechanical compressive forces are applied to the wood to minimize the voids in the wood; thus, the wood is hardened, strengthened and the bent wood is corrected, making it possible to form the wood in any desired shape without lumbering the same.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: September 28, 1993
    Assignees: Hisaka Works Limited, Mitsuhiko Tanahashi
    Inventors: Mitsuhiko Tanahashi, Masafumi Inoue, Syuzo Fukada, Chikayoshi Ota, Senji Kimoto