Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059224 | Room air cleaner for use in automobiles | Tatsuo Kikkawa, Shigeyuki Asanari | 1991-10-22 |
MK
Masateru Koyama
Overall (All Time): #3,888,201 of 4,157,543Top 95%
1
Patents All Time