Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880877 | Method for producing rubber modified thermoplastic resins | Teruhiko Sugimori, Noriyuki Tajiri, Fumio Suzuki, Yutaro Fukuda, Haruki Sato | 1989-11-14 |
| 4874841 | Particulate polymer and preparation process thereof | Teruhiko Sugimori, Fumio Suzuki, Hiromasa Inada | 1989-10-17 |
| 4869857 | Process for producing porous membranes | Hajime Itoh, Hiroshi Takahashi, Kouji Ohbori | 1989-09-26 |
| 4801386 | Process of using a porous water-treating material | Shuichi Sugimori, Tomihiko Kawamura, Tadashi Matsuda, Shintaro Nakano, deceased, Sumito Saiki | 1989-01-31 |