Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616290 | Gas-liquid contacting apparatus | Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina +4 more | 1997-04-01 |
| 5605655 | Gas-liquid contacting apparatus | Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina +4 more | 1997-02-25 |