Issued Patents All Time
Showing 101–110 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728569 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Kazuko Hanai, Hideaki Kosha, Eiichi Tadokoro | 1988-03-01 |
| 4715991 | Aqueous high concentration surfactant slurry containing an olefin sulfonate | Yoshie Hirakouchi, Osamu Toisawa | 1987-12-29 |
| 4696858 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Kazuko Hanai, Hideaki Kosha, Eiichi Tadokoro | 1987-09-29 |
| 4693929 | Magnetic recording medium | Katsumi Ryoke, Takashi Yoneyama, Yasuo Nishikawa, Eiichi Tadokoro | 1987-09-15 |
| 4686139 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Kazuko Hanai, Hideaki Kosha, Eiichi Tadokoro | 1987-08-11 |
| 4649072 | Magnetic recording medium | Katsumi Ryoke, Nobutaka Yamaguchi, Kazuko Hanai, Hideaki Kosha, Eiichi Tadokoro | 1987-03-10 |
| 4599076 | Method of producing discharge display device | Shigeru Yokono, Hideo Sato | 1986-07-08 |
| 4412945 | Aqueous high concentration slurry of alcohol ethoxylate | Mituo Sugiyama, Osamu Toisawa, Yasuo Ishizaki | 1983-11-01 |
| 4323431 | Purification of compounds having high melting point | Norio Kotera, Masatoshi Uegaki, Takashi Miyaoka, Yuzo Maegawa | 1982-04-06 |
| 4272418 | Stabilizer for vinyl chloride resin | Hiroshi Isa, Isamu Kadoya | 1981-06-09 |