Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357276 | Process for separation of indole using X and Y type zeolites | Kenji Takasa, Keizo Hirakawa, Hiroji Nishimaru | 1982-11-02 |
| 4339500 | Hydrophilic packing material for chromatography | Yuzo Yanagihara, Kohji Noguchi, Hiroshi Suzuki | 1982-07-13 |
| 4315145 | Magnetic recording structure | Seiichi Nishikawa | 1982-02-09 |