Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603747 | Air filter and method of producing the same | Yoshiya Matuda, Tadayoshi Takiguchi | 1997-02-18 |
MN
Masahiro Nawa
Overall (1997): #108,218 of 185,788Top 60%
1
Patents 1997