Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753370 | Artifical snowseed and method for making artificial snow | Hideyuki Mekata, Hiroaki Umezu, Hiroshi Matsunaga | 1998-05-19 |
| 5660935 | Artificial snowseed and method for making artificial snow | Hideyuki Mekata, Hiroaki Umezu, Hiroshi Matsunaga | 1997-08-26 |
| 5632152 | Artificial snow in an aggregate form of snow granules | Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Masahisa Ohtsuka, Toshitake Nagai | 1997-05-27 |
| 5556671 | Artificial snow in an aggregate form of snow granules | Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Masahisa Ohtsuka, Toshitake Nagai | 1996-09-17 |
| 5436039 | Artificial snow in an aggregate form of snow granules | Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Masahisa Ohtsuka, Toshitake Nagai | 1995-07-25 |
| 5266367 | Artificial snow granule | Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Masahisa Ohtsuka, Toshitake Nagai | 1993-11-30 |
| 5261245 | Method for making ice slab and/or artificial snow | Haruhiko Tanaka, Yasumasa Sugiyama, Toshitake Nagai, Koiti Nagata, Kohei Kubota +1 more | 1993-11-16 |
| 5136849 | Snow composition and method for making artificial snow | Yuichiro Miura, Kazuo Hirano, Takayuki Nate, Masahisa Ohtsuka, Toshitake Nagai | 1992-08-11 |
| 5093410 | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Hideyuki Mekata, Hiroyuki Kataoka, Chuzo Kato | 1992-03-03 |
| 5041475 | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Hideyuki Mekata, Hiroyuki Kataoka, Chuzo Kato | 1991-08-20 |
| 4988390 | Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum | Hideyuki Mekata, Hiroyuki Kataoka, Chuzo Kato | 1991-01-29 |
| 4735987 | Method for manufacture of high-expansion type absorbent polymer | Yasuhiro Morita, Takanori Iwamoto, Hiroyuki Kataoka, Shigeaki Matsumoto, Chuzo Kato | 1988-04-05 |