Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318934 | Catalyst for exhaust gas cleaning | Toshitsugu Ueoka, Takashi Takemoto | 1994-06-07 |
MS
Masahiko Shigetsu
Tokyo Roki Co.: 1 patents #32 of 106Top 35%
Overall (All Time): #154,664 of 4,157,543Top 4%
26
Patents All Time