Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579194 | Muffler with catalyst for internal combustion engine | Masaru Nakano, Hideki Nakazima | 1986-04-01 |
AS
Akira Shiki
Kabushiki Kaisha Tsuchiya Seisakusho: 1 patents #5 of 29Top 20%
Overall (All Time): #3,992,892 of 4,157,543Top 100%
1
Patents All Time