Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929639 | Oxygen-containing heterocyclic compound | Hiroyuki Setoi, Hirokazu Tanaka, Hideo Hirai, Hiroshi Marusawa, Masashi Hashimoto | 1990-05-29 |
| 4916152 | Pyrrolidine derivatives as antiasthmatics | Hiroyuki Setoi, Hideo Hirai, Hiroshi Marusawa, Hirokazu Tanaka, Masashi Hashimoto | 1990-04-10 |
| 4906499 | High density information record medium comprising a polymer material having a lubricant uniformly dispersed therein | Toshiaki Hamaguchi, Kazuhira Namikawa, Toshio Akai, Mutsuaki Nakamura, Akio Hata +1 more | 1990-03-06 |
| 4646284 | High density information record medium using carbon black particles surface-treated with silicone oil | Toshiaki Hamaguchi, Kazuhira Namikawa, Mutsuaki Nakamura, Toshio Akai | 1987-02-24 |
| 4639908 | High density information records made of conductive resin compositions comprising inorganic power stabilizers | Kazuhira Namikawa, Toshiaki Hamaguchi, Mutsuaki Nakamura | 1987-01-27 |
| 4631717 | High density information records of an electrostatic capacitance type | Kazuhira Namikawa, Toshiaki Hamaguchi, Mutsuaki Nakamura, Akio Hata, Noriki Fujii | 1986-12-23 |
| 4592862 | Conductive resin composition and information record | Mutsuaki Nakamura, Kazuhira Namikawa, Toshiaki Hamaguchi, Akio Hata, Noriki Fujii | 1986-06-03 |
| 4548739 | High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin | Mutsuaki Nakamura, Kazuhira Namikawa, Toshikazu Goshima, Toshiaki Hamaguchi, Akio Hata +1 more | 1985-10-22 |
| 4547545 | High density information record made of a conductive resin composition comprising a specific type of dimethylpolysiloxane | Toshiaki Hamaguchi, Kazuhira Namikawa, Toshikazu Goshima, Mutsuaki Nakamura, Yoshiaki Kudo | 1985-10-15 |
| 4435389 | Composition for promoting growth of bifidobacteria | Masahiko Mutai, Tsuneo Terashima, Tokutaro Takahashi, Ryuichiro Tanaka, Sadao Ueyama +1 more | 1984-03-06 |