Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683274 | Process for producing a water-absorbent resin | Morio Nakamura, Shigeji Obayashi, Takushi Yamamoto, Hitoshi Tanaka, Yuji Sakamoto | 1987-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683274 | Process for producing a water-absorbent resin | Morio Nakamura, Shigeji Obayashi, Takushi Yamamoto, Hitoshi Tanaka, Yuji Sakamoto | 1987-07-28 |