Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693729 | Catalyst for polymerization of olefin and process for the preparation of olefin polymer | Masaki Fushimi | 1997-12-02 |
| 5650024 | Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same | Yasushi Hasegawa, Masahiro Ohgami, Nobuo Mizuhashi, Hisashi Naoi | 1997-07-22 |