Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747946 | Tubular membrane ultrafiltration module | Norio Ikeyama, Noriaki Yoshioka, Shusaku Tamaru | 1988-05-31 |
| 4707261 | Tubular membrane ultrafiltration module | Norio Ikeyama, Noriaki Yoshioka, Shusaku Tamaru | 1987-11-17 |
| 4615829 | Electroconductive organic polymer and method for producing the same | Shohei Tamura, Sadamitsu Sasaki, Masao Abe, Hitoshi Nakazawa, Keiji Nakamoto +1 more | 1986-10-07 |
| 4605548 | Drug administration material | Keiichi Ushiyama | 1986-08-12 |
| 4556623 | Electroconductive porous film and process for producing same | Shohei Tamura, Sadamitsu Sasaki, Takeshi Sasaki, Keiji Nakamoto, Masao Abe +1 more | 1985-12-03 |
| 4529793 | Selective permeable membranes comprising a polyquinazolone-based polymer | Masao Abe, Akio Iwama, Yuzuru Noda | 1985-07-16 |
| 4385084 | Process for preparing a selective permeable membrane | Akio Iwama, Yoshiyasu Kamiyama, Yoshitaka Kazuse | 1983-05-24 |
| 4354017 | Process for the production of polyquinazolone-based polymers | Masao Abe, Yuzuru Noda | 1982-10-12 |