Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616290 | Gas-liquid contacting apparatus | Makiichi Ishihara, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina, Yukio Kita +4 more | 1997-04-01 |
| 5605655 | Gas-liquid contacting apparatus | Makiichi Ishihara, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina, Yukio Kita +4 more | 1997-02-25 |
| 5326503 | Latticed packing member for gas-liquid contactors | Koichiro Iwashita, Makiichi Ishihara, Sunao Ushio, Kouichi Shinohara, Takami Yamada | 1994-07-05 |