Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271923 | Solid radiographic contrast medium | Junro Amano, Takashi NISHIYAMA, Shin-ichi Tashiro | 1993-12-21 |
| 5266193 | Syringe type column for chromatography | Masaru Kimura | 1993-11-30 |
| 5186839 | Syringe type column for chromatography | Masaru Kimura | 1993-02-16 |
| 4857576 | Method for rendering a flammable polymer material flame-resistant | Kenji Fukunaga, Takaharu Itagaki, Tsuyoshi Ito | 1989-08-15 |
| 4243784 | Process for producing powdered copolymers of ethylenically unsaturated compound and maleic anhydride or an ester thereof | Tosio Akima, Etsuzaburo Kudou, Tetsuo Kaneyasu | 1981-01-06 |