Patents Assigned to Masahisa Ohtsuka
  • Artificial snow in an aggregate form of snow granules
    Patent number: 5632152
    Abstract: Artificial snow granule in granule form comprising a super absorbent polymer in granule form as a nucleus and an ice layer surrounding the nucleus is provided here. An aggregate form is provided by linkage of adjacent ice layers and/or granules. Further, a snow granule quality improver is provided. A method for making the above-mentioned snow granule in a granule or an aggregate form is also provided here.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: May 27, 1997
    Assignees: Miura Dolphins Co., Ltd., Tonen Corporation, Osaka Organic Chemical Industry Co., Ltd., Tonen Chemical Corporation, Sanyo Electric Co., Ltd., Masahisa Ohtsuka
    Inventors: Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Taiji Kambayashi, Masahisa Ohtsuka, Toshitake Nagai
  • Artificial snow in an aggregate form of snow granules
    Patent number: 5556671
    Abstract: Artificial snow granule in granule form comprising a super adsorbent polymer in granule form as a nucleus and an ice layer surrounding the nucleus is provided here. An aggregate form is provided by linkage of adjacent ice layers and/or granules. Further, a snow granule quality improver is provided. A method for making the above-mentioned snow granule in a granule or an aggregate form is also provided here.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: September 17, 1996
    Assignees: Miura Dolphins Co., Ltd., Tonen Corporation, Osaka Organic Chemical Industry Co., Ltd., Tonen Chemical Corporation, Sanyo Electric Co., Ltd., Masahisa Ohtsuka
    Inventors: Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Taiji Kambayashi, Masahisa Ohtsuka, Toshitake Nagai
  • Artificial snow granule
    Patent number: 5266367
    Abstract: Artificial snow granule in granule form comprising a super absorbent polymer in granule form as a nucleus and an ice layer surrounding the nucleus is provided here.Artificial snow granule in an aggregate form of snow granule granules comprising super absorbent polymer in granule form as nucleus and ice layers surrounded the nucleus wherein said aggregate form is caused by a linkage of the adjacent ice layers and/or granules.Further, a snow granule quality improver is provided.A method for making the above-mentioned snow granule in granule or an aggregate form is also provided here.
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: November 30, 1993
    Assignees: Miura Dolphins Co., Ltd., Tonen Corporation, Osaka Organic Chemical Industry Co., Ltd., Tonen Chemical Corp., Sanyo Electric Co., Ltd., Masahisa Ohtsuka
    Inventors: Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Taiji Kambayashi, Masahisa Ohtsuka, Toshitake Nagai