Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7053018 | Spherical alumina particles and production process thereof | Eiji Kanbara | 2006-05-30 |
| 6656992 | Rubber composition | Naofumi Ezawa, Yasuo Fukushima | 2003-12-02 |
SS
Susumu Shibusawa
Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
Overall (All Time): #2,169,475 of 4,157,543Top 55%
2
Patents All Time