Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5849257 | Process for preparation of nitrous oxide | Kenji Fujiwara, Hideaki Nakamura, Hiroshi Kato, Kazuo Wakimura | 1998-12-15 |
| 5254729 | Method for purifying glycine | Kenji Fujiwara, Yuji Matsuu, Hiroshi Kato, Atsuhiko Hiai | 1993-10-19 |