Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203900 | Pressure sensitive adhesive sheet for detection of microorganism and method for detection of microorganism | Takeshi Saika, Shuji Senda, Akio Iwama, Tetsuji Sugii, Masao Nasu +2 more | 2001-03-20 |
| 4787981 | Process for purification of crude glyceride oil compositions | Seiichi Tanahashi, Kaoru Nagano, Masaaki Kasai, Fujihiko Tsubone, Akio Iwama +2 more | 1988-11-29 |
| 4618534 | Composite membrane and process for producing the same | Akio Iwama, Kentaro Tasaka | 1986-10-21 |
| 4590098 | Process for producing composite membrane | Akio Iwama, Shinichi Chikura | 1986-05-20 |
| 4414157 | Process for the purification of crude glyceride oil compositions | Akio Iwama | 1983-11-08 |
| 4410568 | Process for preparing selective permeable membrane | Akio Iwama, Yasuo Kihara, Masao Abe | 1983-10-18 |
| 4385084 | Process for preparing a selective permeable membrane | Akio Iwama, Yoshiyasu Kamiyama, Hisashi Ichinose | 1983-05-24 |
| 4358378 | Selective permeable membranes and process for preparing the same | Akio Iwama, Hiroshi Iwahori | 1982-11-09 |